Number | Date | Country | Kind |
---|---|---|---|
96 05335 | Apr 1996 | FRX |
Number | Date | Country |
---|---|---|
A-1 020 913 | Oct 1962 | GBX |
A-2 186 594 | Jan 1987 | GBX |
Entry |
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Patent Abstracts of Japan vol. 18, No. 107 (C-1169), Feb. 22, 1994, and JP-A-05 302117 (Aichi Steel Works Ltd.), Nov. 16, 1993. |
Patent Abstract of Japan vol. 15, No. 324 (C-859), and JP-A-03 122252 (Hitachi Metals Ltd.), May 24, 1991. |