Patent Abstracts of Japan, vol. 010, No. 105 (M-471), Apr. 19, 1986 & JP 60 238006 A (Ishikawajima Harima Jukogyo KK), Nov. 26, 1985. |
Patent Abstracts of Japan, vol. 010, No. 153 (M-484), Jun. 3, 1986 & JP 61 007006 A (Ishikawajima Harima Jukogyo KK), Jan. 13, 1986. |
Patent Abstracts of Japan, vol. 012, No. 286 (M-727), Aug. 5, 1988 & JP 63 063501 A (Hitachi Cable Ltd.), Mar. 19, 1988. |
Patent Abstracts of Japan, vol. 012, No. 478 (M-775), Dec. 14, 1988 & JP 63 199003 A (Hitachi Cable Ltd.), Aug. 17, 1988. |
Patent Abstracts of Japan, vol. 012, No. 251 (M-718), Jul. 15, 1988 & JP 63 036910 A (Hitachi Cable Ltd.), Feb. 17, 1988. |
Database WPI, Section Ch, Week 7748, Derwent Publications Ltd., London, GB & JP 52 125 447 A (Ishikawajima Harima Jukogyo KK), Oct. 21, 1977. |
Patent Abstracts of Japan, vol. 006, No. 184 (M-157), Sep. 21, 1982 & JP 57 091811 A (Kubota Ltd), Jun. 8, 1982. |
Patent Abstracts of Japan, vol. 011, No. 323 (M-634), Oct. 21, 1987 & JP 62 107804 A (Hitachi Cable Ltd.), May 19, 1987. |