WO9620508-A1  PATENT ABSTRACTS OF JAPAN vol. 005, no. 192 (E-085), 08/12/1981 & JP,A,56 114287 (CENTRAL RES INST OF ELECTRIC POWER IND;OTHERS: 01), 08/09/1981;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 213 (E-422), 25/07/1986 & JP,A,61 051771 (MITSUBISHI ELECTRIC CORP), 14/03/1986;  PATENT ABSTRACTS OF JAPAN vol. 007, no. 107 (E-174), 11/05/1983 & JP,A,58 030075 (FUJI DENKI SEIZO KK;OTHERS: 01), 22/02/1983;  PATENT ABSTRACTS OF JAPAN vol. 008, no. 229 (E-273), 20/10/1984 & JP,A,59 111272 (TOSHIBA KK), 27/06/1984;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 165 (E-327), 10/07/1985 & JP,A,60 039772 (TOSHIBA KK), 01/03/1985;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 032 (E-379), 07/02/1986 & JP,A,60 189176 (TOSHIBA KK), 26/09/1985;  PATENT ABSTRACTS OF JAPAN vol. 018, no. 658 (E-1643), 13/12/1994 & JP,A,06 260198 (MITSUBISHI HEAVY IND LTD), 16/09/1994;  PATENT ABSTRACTS OF JAPAN vol. 94, no. 011 & JP,A,06 325780 (MITSUBISHI HEAVY IND LTD), 25/11/1994;  PATENT ABSTRACTS OF JAPAN vol. 005, no. 192 (E-085), 8 December 1981 & JP,A,56 114287 (CENTRAL RES INST OF ELECTRIC POWER IND;OTHERS: 01), 8 September 1981,;  PATENT ABSTRACTS OF JAPAN vol. 007, no. 107 (E-174), 11 May 1983 & JP,A,58 030075 (FUJI DENKI SEIZO KK;OTHERS: 01), 22 February 1983,;  PATENT ABSTRACTS OF JAPAN vol. 008, no. 229 (E-273), 20 October 1984 & JP,A,59 111272 (TOSHIBA KK), 27 June 1984,;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 165 (E-327), 10 July 1985 & JP,A,60 039772 (TOSHIBA KK), 1 March 1985,;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 032 (E-379), 7 February 1986 & JP,A,60 189176 (TOSHIBA KK), 26 September 1985,;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 213 (E-422), 25 July 1986 & JP,A,61 051771 (MITSUBISHI ELECTRIC CORP), 14 March 1986,;  PATENT ABSTRACTS OF JAPAN vol. 018, no. 658 (E-1643), 13 December 1994 & JP,A,06 260198 (MITSUBISHI HEAVY IND LTD), 16 September 1994,;  PATENT ABSTRACTS OF JAPAN vol. 94, no. 011 & JP,A,06 325780 (MITSUBISHI HEAVY IND LTD), 25 November 1994,;  PATENT ABSTRACTS OF JAPAN vol. 94, no. 011&JP,A,06 325780 (MITSUBISHI HEAVY IND LTD), 25 November 1994,;  PATENT ABSTRACTS OF JAPAN vol. 018, no. 658 (E-1643), 13 December 1994&JP,A,06 260198 (MITSUBISHI HEAVY IND LTD), 16 September 1994,;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 032 (E-379), 7 February 1986&JP,A,60 189176 (TOSHIBA KK), 26 September 1985,;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 165 (E-327), 10 July 1985&JP,A,60 039772 (TOSHIBA KK), 1 March 1985,;  PATENT ABSTRACTS OF JAPAN vol. 008, no. 229 (E-273), 20 October 1984&JP,A,59 111272 (TOSHIBA KK), 27 June 1984,;  PATENT ABSTRACTS OF JAPAN vol. 007, no. 107 (E-174), 11 May 1983&JP,A,58 030075 (FUJI DENKI SEIZO KK;OTHERS: 01), 22 February 1983,;  PATENT ABSTRACTS OF JAPAN vol. 005, no. 192 (E-085), 8 December 1981&JP,A,56 114287 (CENTRAL RES INST OF ELECTRIC POWER IND;OTHERS: 01), 8 September 1981,;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 213 (E-422), 25 July 1986&JP,A,61 051771 (MITSUBISHI ELECTRIC CORP), 14 March 1986,EP800708-A1  See references of WOA 9620508EP800708-B1  PATENT ABSTRACTS OF JAPAN vol. 005, no. 192 (E-085), 8 December 1981 & JP,A,56 114287 (CENTRAL RES INST OF ELECTRIC POWER IND;OTHERS: 01), 8 September 1981,;  PATENT ABSTRACTS OF JAPAN vol. 007, no. 107 (E-174), 11 May 1983 & JP,A,58 030075 (FUJI DENKI SEIZO KK;OTHERS: 01), 22 February 1983,;  PATENT ABSTRACTS OF JAPAN vol. 008, no. 229 (E-273), 20 October 1984 & JP,A,59 111272 (TOSHIBA KK), 27 June 1984,;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 165 (E-327), 10 July 1985 & JP,A,60 039772 (TOSHIBA KK), 1 March 1985,;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 032 (E-379), 7 February 1986 & JP,A,60 189176 (TOSHIBA KK), 26 September 1985,;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 213 (E-422), 25 July 1986 & JP,A,61 051771 (MITSUBISHI ELECTRIC CORP), 14 March 1986,;  PATENT ABSTRACTS OF JAPAN vol. 018, no. 658 (E-1643), 13 December 1994 & JP,A,06 260198 (MITSUBISHI HEAVY IND LTD), 16 September 1994,;  PATENT ABSTRACTS OF JAPAN vol. 94, no. 011 & JP,A,06 325780 (MITSUBISHI HEAVY IND LTD), 25 November 1994,