Number | Date | Country | Kind |
---|---|---|---|
43 38 107.3 | Nov 1993 | DEX |
Number | Date | Country |
---|---|---|
3917765 | Dec 1990 | DEX |
3940933 | Jun 1991 | DEX |
4233073 | Apr 1994 | DEX |
2077143 | Mar 1990 | JPX |
Entry |
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Patent Abstract of Japan No. JP 53-017072 (Takeshi et al), Apr. 17, 1978. |
Patent Abstract of Japan No. JP 56-165329 (Tomohiko) Apr. 7, 1982. |