Number | Date | Country | Kind |
---|---|---|---|
9-219610 | Aug 1997 | JPX | |
9-219611 | Aug 1997 | JPX | |
9-234022 | Aug 1997 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4267299 | Oechsle et al. | May 1981 | |
4410667 | Porter et al. | Oct 1983 | |
5126479 | Duenwald et al. | Jun 1992 |
Entry |
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Patent Abstracts of Japan, vol. 005, No. 089 (C-058), Jun. 10, 1981, JP 56 032559, Apr. 2, 1981. |
Derwent Abstracts, AN 87-132590, JP 62 072749, Apr. 3, 1987. |
Derwent Abstracts, AN 85-305763, JP 60 195168, Oct. 3, 1985. |