Number | Date | Country | Kind |
---|---|---|---|
7-208074 | Aug 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5003816 | Furuyama | Apr 1991 |
Number | Date | Country |
---|---|---|
61-171855 | Aug 1986 | JPX |
Entry |
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Patent Abstracts Of Japan, [M-1441], vol. 17, No. 362, p. 58, Jul. 8, 1993 & JP 5-52148, (Yamada), Mar. 2, 1993. Jul. 1993. |