Number | Date | Country | Kind |
---|---|---|---|
54/76217 | Jun 1979 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3046120 | Schmidt et al. | Jul 1962 | |
3635709 | Kobayashi | Jan 1972 | |
3647443 | Rauner et al. | Mar 1972 | |
4123279 | Kobayashi | Oct 1978 |
Number | Date | Country |
---|---|---|
43-28403 | Jun 1968 | JPX |
1329888 | Sep 1973 | GBX |
1330932 | Sep 1973 | GBX |
Entry |
---|
Derwent Publication Ltd., No. 52914v/29, Jap. Pat. No. 49-24361, 6/1974. |