Number | Date | Country | Kind |
---|---|---|---|
62-280516 | Jun 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4072370 | Wesson | Feb 1978 | |
4080012 | Boden | Mar 1978 | |
4180946 | Heijkenskjold | Jan 1980 |
Number | Date | Country |
---|---|---|
0078421 | May 1983 | EPX |
2644380 | Apr 1977 | DEX |
2161844 | Jul 1973 | FRX |
Entry |
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Patent Abstracts of Japan, vol. 7, No. 179 (M-234), [1324] Aug. 9, 1983, Yamazaki Tekkosho K.K. |