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F1925842 | Dec 1992 | FIX |
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3973648 | Hummert et al. | Aug 1976 | |
4431086 | Moser et al. | Feb 1984 | |
4697243 | Moore et al. | Sep 1987 | |
4771865 | Hinderling | Sep 1988 | |
4823914 | McKinney et al. | Apr 1989 | |
5007506 | Suzuki et al. | Apr 1991 | |
5064026 | Nagata et al. | Nov 1991 | |
5131508 | Suzuki | Jul 1992 |
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2226428 | Jun 1990 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 17, No. 2 (M-1348) 5 Jan. 1993 & JP-A-42 035 881 (Toshiba Corp) 24 Aug. 1992. *abstract*. |
Patent Abstracts of Japan, vol. 16, No. 181 (M-1242) 30 Apr. 1992 & JP-A-40 020 465 (Toshiba Corp) 24 Jan. 1992. *abstract*. |
Patent Abstracts of Japan, vol. 14, No. 224 (M-0972) 11 May 1990 & JP-A-20 056 391 (Mitsubishi Electric Corp) 26 Feb. 1990. *abstract*. |