Number | Date | Country | Kind |
---|---|---|---|
8502457 | Sep 1985 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
3834915 | Cleveland et al. | Sep 1974 | |
3905845 | Kobayashi et al. | Sep 1975 | |
4214666 | Oda et al. | Jul 1980 | |
4222978 | Oda et al. | Sep 1980 |
Entry |
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Yogyo-Kyokai-Shi 87, No. 12, 1979, pp. 633-641. |
Yogyo-Kyokai-Shi 88, No. 11, 1980, pp. 660-673. |
Yogyo-Kyokai-Shi 88, No. 9, 1980, pp. 531-538. |