Database WPI, Section Ch, Week 197601, Derwent Publications Ltd., London, GB; Class A85 AN 1976-00782X, XP002187369 & JP 50 053829 A (Matsushita Elec Ind Co Ltd), May 13, 1975 (May 13, 1975) -Abstract.* |
Database WPI, Section Ch, Week 197726 Derwent Publications Ltd., London, GB; Class L03, AN 1977-46095Y XP002187370 & JP 52 060940 A (Matsushita Elec Ind Co Ltd), May 19, 1977 (May 19, 1977) -Abstract.* |
Patent Abstracts of Japan, vol. 014, No. 444 (E-0982), Sep. 21, 1990 (Sep. 21, 1990) & JP 02 177254 A (Matsushita Elec Ind Co Ltd), Jul. 10, 1990 (Jul. 10, 1990) -Abstract.* |
Patent Abstracts of Japan, vol. 010, No. 039 (E-381), Feb. 15, 1986 (Feb. 15, 1986) & JP 60 195871 A (Matsushita Denki Sangyo KK), Oct. 4, 1985 (Oct. 4, 1985) -Abstract.* |
Database WPI, Section Ch, Week 197909 Derwent Publications Ltd., London, GB; Class A85, AN 1979-16564B XP002187371 & JP 54 007131 A (Matsushita Elec Ind Co Ltd), Jan. 19, 1979 (Jan. 19, 1979) -Abstract.* |
Patent Abstracts of Japan, vol. 005, No. 086 (E-060), Jun. 5, 1981 (Jun. 5, 1981) & JP 56 032675 A (Shin Kobe Electric Mach Co Ltd), Apr. 2, 1981 (Apr. 2, 1981) -Abstract. |