Number | Date | Country | Kind |
---|---|---|---|
55-140172 | Oct 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3240785 | Martin | Mar 1966 | |
3609156 | Hideaki et al. | Sep 1971 | |
3652769 | Saari | May 1972 | |
4062950 | Frommer et al. | Dec 1979 |
Entry |
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Offenlegungsschrift (Germany), Offenlegungstag. 16. 8. 79 Section Class Subclass/C12D. |