Number | Date | Country | Kind |
---|---|---|---|
4-297452 | Nov 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4108924 | Akagane et al. | Aug 1978 | |
4824893 | Hull | Apr 1989 |
Number | Date | Country |
---|---|---|
165579 | Dec 1985 | EPX |
300951 | Jan 1989 | EPX |
2542320 | Sep 1984 | FRX |
834235 | May 1960 | GBX |
Entry |
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European Search Report No. 93402725.1, Dated: Feb. 25, 1994. |
Abstract--Japanese Appln No. 49 130 444, Dec. 13, 1974. |