Number | Date | Country | Kind |
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10-356652 | Dec 1998 | JP |
Number | Name | Date | Kind |
---|---|---|---|
5415711 | Takagi et al. | May 1995 | |
5651937 | Descaves | Jul 1997 | |
6123784 | Havette | Sep 2000 |
Number | Date | Country |
---|---|---|
1 010 769 | Jun 2000 | EP |
62-099437 | May 1987 | JP |
02-034748 | Feb 1990 | JP |
04-006211 | Jan 1992 | JP |
06-145895 | May 1994 | JP |
06-158226 | Jun 1994 | JP |
Entry |
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Patent Abstracts of Japan, vol. 1998, No. 09, Jul. 13, 1998, JP 10-102131, Apr. 21, 1998. |
Chemical Abstracts, vol. 112, No. 2, Jan. 8, 1990, AN 10285, T. Ohshiro, et al., “Improvement of the Service Life of Valve Spring Wire”, 1989. |