WO9422179-A  PATENT ABSTRACTS OF JAPAN vol. 10, no. 91 (E-394) (2148) 9. April 1986 & JP,A,60 235 365 (FUJI DENKI SOUGOU KENKYUSHO K.K.) 22. November 1985;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 31 (E-707) (3379) 24. Januar 1989 & JP,A,62 232 275 (MITSUBISHI ELECTRIC CORP) 28. September 1988;  PATENT ABSTRACTS OF JAPAN vol. 17, no. 334 (E-1387) 24. Juni 1993 & JP,A,05 041 239 (NKK CORP) 19. Februar 1993;  PATENT ABSTRACTS OF JAPAN vol. 7, no. 27 (E-156) (1172) 3. Februar 1983 & JP,A,57 182 976 (HITACHI SEISAKUSHO K.K.) 11. November 1982;  PATENT ABSTRACTS OF JAPAN vol. 7, no. 284 (E-217) (1429) 17. Dezember 1983 & JP,A,58 161 272 (MITSUBISHI DENKI K.K.) 24. September 1983WO9422179-A1  PATENT ABSTRACTS OF JAPAN vol. 13, no. 31 (E-707) (3379) 24 January 1989 & JP,A,62 232 275 (MITSUBISHI ELECTRIC CORP);  PATENT ABSTRACTS OF JAPAN vol. 13, no. 31 (E-707) (3379) 24. Januar 1989 & JP,A,62 232 275 (MITSUBISHI ELECTRIC CORP);  PATENT ABSTRACTS OF JAPAN vol. 13, no. 31 (E-707) (3379) 24. Januar 1989 &amp; JP,A,62 232 275 (MITSUBISHI ELECTRIC CORP) 28. September 1988;  PATENT ABSTRACTS OF JAPAN vol. 7, no. 27 (E-156) (1172) 3 February 1983 & JP,A,57 182 976 (HITACHI SEISAKUSHO K.K.);  PATENT ABSTRACTS OF JAPAN vol. 7, no. 27 (E-156) (1172) 3. Februar 1983 & JP,A,57 182 976 (HITACHI SEISAKUSHO K.K.);  PATENT ABSTRACTS OF JAPAN vol. 7, no. 27 (E-156) (1172) 3. Februar 1983 &amp; JP,A,57 182 976 (HITACHI SEISAKUSHO K.K.) 11. November 1982;  PATENT ABSTRACTS OF JAPAN vol. 7, no. 284 (E-217) (1429) 17 December 1983 & JP,A,58 161 272 (MITSUBISHI DENKI K.K.);  PATENT ABSTRACTS OF JAPAN vol. 7, no. 284 (E-217) (1429) 17. Dezember 1983 & JP,A,58 161 272 (MITSUBISHI DENKI K.K.);  PATENT ABSTRACTS OF JAPAN vol. 7, no. 284 (E-217) (1429) 17. Dezember 1983 &amp; JP,A,58 161 272 (MITSUBISHI DENKI K.K.) 24. September 1983;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 91 (E-394) (2148) 9 April 1986 & JP,A,60 235 365 (FUJI DENKI SOUGOU KENKYUSHO K.K.);  PATENT ABSTRACTS OF JAPAN vol. 10, no. 91 (E-394) (2148) 9. April 1986 & JP,A,60 235 365 (FUJI DENKI SOUGOU KENKYUSHO K.K.);  PATENT ABSTRACTS OF JAPAN vol. 10, no. 91 (E-394) (2148) 9. April 1986 &amp; JP,A,60 235 365 (FUJI DENKI SOUGOU KENKYUSHO K.K.) 22. November 1985;  PATENT ABSTRACTS OF JAPAN vol. 17, no. 334 (E-1387) 24 June 1993 & JP,A,05 041 239 (NKK CORP);  PATENT ABSTRACTS OF JAPAN vol. 17, no. 334 (E-1387) 24. Juni 1993 & JP,A,05 041 239 (NKK CORP);  PATENT ABSTRACTS OF JAPAN vol. 17, no. 334 (E-1387) 24. Juni 1993 &amp; JP,A,05 041 239 (NKK CORP) 19. Februar 1993