WO9420587-A  DATABASE WPI Section Ch, Week 9336, Derwent Publications Ltd., London, GB; Class A60, AN 93-285498 & JP,A,5 202 220 (DAIKIN KOGYO KK) 10 August 1993;  DATABASE WPI Section Ch, Week 9347, Derwent Publications Ltd., London, GB; Class E16, AN 93-374780 & JP,A,5 279 659 (DAIKIN KOGYO KK) 26 October 1993;  DATABASE WPI Week 9050, Derwent Publications Ltd., London, GB; AN 90-373625 & JP,A,2 272 086 (ASAHI GLASS) 6 November 1990;  DATABASE WPI Week 9340, Derwent Publications Ltd., London, GB; AN 93-317625 & JP,A,5 230 265 (ASAHI GLASS) 7 September 1993EP687286-A  See references of WOA 9420587WO9420587-A1  DATABASE WPI Section Ch, Week 9336, Derwent Publications Ltd., London, GB; Class A60, AN 93-285498 &amp; JP,A,5 202 220 (DAIKIN KOGYO KK) 10 August 1993;  DATABASE WPI Section Ch, Week 9347, Derwent Publications Ltd., London, GB; Class E16, AN 93-374780 &amp; JP,A,5 279 659 (DAIKIN KOGYO KK) 26 October 1993;  DATABASE WPI Week 9340, Derwent Publications Ltd., London, GB; AN 93-317625 &amp; JP,A,5 230 265 (ASAHI GLASS) 7 September 1993;  DATABASE WPI Section Ch, Week 9336, Derwent Publications Ltd., London, GB; Class A60, AN 93-285498 & JP,A,5 202 220 (DAIKIN KOGYO KK);  DATABASE WPI Section Ch, Week 9347, Derwent Publications Ltd., London, GB; Class E16, AN 93-374780 & JP,A,5 279 659 (DAIKIN KOGYO KK);  DATABASE WPI Week 9340, Derwent Publications Ltd., London, GB; AN 93-317625 & JP,A,5 230 265 (ASAHI GLASS);  DATABASE WPI Week 9050, Derwent Publications Ltd., London, GB; AN 90-373625 & JP,A,2 272 086 (ASAHI GLASS);  DATABASE WPI Week 9050, Derwent Publications Ltd., London, GB; AN 90-373625 &amp; JP,A,2 272 086 (ASAHI GLASS) 6 November 1990EP687286-B1  DATABASE WPI Section Ch, Week 9336, Derwent Publications Ltd., London, GB; Class A60, AN 93-285498 & JP,A,5 202 220 (DAIKIN KOGYO KK) 10/08/1993;  DATABASE WPI Section Ch, Week 9347, Derwent Publications Ltd., London, GB; Class E16, AN 93-374780 & JP,A,5 279 659 (DAIKIN KOGYO KK) 26/10/1993;  DATABASE WPI Week 9050, Derwent Publications Ltd., London, GB; AN 90-373625 & JP,A,2 272 086 (ASAHI GLASS) 06/11/1990;  DATABASE WPI Week 9340, Derwent Publications Ltd., London, GB; AN 93-317625 & JP,A,5 230 265 (ASAHI GLASS) 07/09/1993