Number | Date | Country | Kind |
---|---|---|---|
199 03 460 | Jan 1999 | DE |
Number | Date | Country |
---|---|---|
656 689 | Jul 1986 | CH |
0 376 844 | Jul 1990 | EP |
Entry |
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Patent Abstracts of Japan, C-935, Apr. 30, 1992, vol. 16, No. 180, 4-22318, Matsushita Electric Ind. Co. Ltd., Jan. 27, 1992, English Abstract. |
Patent Abstracts of Japan, C-1116, Oct. 4, 1993, vol. 17, No. 547, 5-154066, Jun. 22, 1993, Matsushita Electric Ind. Co. Ltd., English Abstract. |