Number | Date | Country | Kind |
---|---|---|---|
1-203282 | Aug 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4051527 | Braat | Sep 1977 | |
4926036 | Maeda | May 1990 | |
4998235 | Ishibashi et al. | Mar 1991 |
Number | Date | Country |
---|---|---|
55-101142 | Aug 1980 | JPX |
57-183639 | Nov 1982 | JPX |
60-214429 | Oct 1985 | JPX |
2059664 | Apr 1981 | GBX |
2196115 | Apr 1988 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 10, No. 147(P-460)(2204) May 29, 1986, & JP-A-60 263344 (Yokokawa Hokushin Denki K.K.) Dec. 26, 1985, * the whole abstract *. |
Patent Abstracts of Japan, vol. 12, No. 451(P-791)(3298) Nov. 28, 1988, & JP-A-63 175233 (Canon Inc) Jul. 19, 1988, * the whole abstract *. |