Number | Date | Country | Kind |
---|---|---|---|
8-294689 | Nov 1993 | JPX | |
9-126151 | May 1997 | JPX | |
9-164316 | Jun 1997 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4882117 | Takeada et al. | Nov 1989 | |
4961884 | Watanabe et al. | Oct 1990 | |
4986938 | Izuka et al. | Jan 1991 | |
5093049 | Uehara et al. | Mar 1992 | |
5330693 | Takada | Jul 1994 | |
5547619 | Obayashi | Aug 1996 | |
5705105 | Inoue | Jan 1998 | |
5868978 | Kadoriku et al. | Feb 1999 |
Entry |
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Frados, Joel, Plastics Engineering Handbook of the Society of the Plastics Industry, Inc., 4th edition, pp. 273-276, 1976. |