Number | Date | Country | Kind |
---|---|---|---|
55-29751 | Mar 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2865940 | Nobis et al. | Dec 1958 | |
3218345 | Rainer | Nov 1965 | |
3487050 | Castro et al. | Dec 1969 | |
3631198 | Horvitz | Dec 1971 | |
3631201 | Farrissey et al. | Dec 1971 | |
4107199 | Konig et al. | Aug 1978 | |
4276228 | Nishino et al. | Jun 1981 |
Number | Date | Country |
---|---|---|
13493 | Jul 1980 | EPX |
55-327 | Jan 1980 | JPX |
55-90526 | Jul 1980 | JPX |
Entry |
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Derwent Publication Accession No. 251C, published 2/13/80. |