Number | Date | Country | Kind |
---|---|---|---|
4-071524 | Mar 1992 | JPX | |
4-074412 | Mar 1992 | JPX | |
4-074413 | Mar 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1376479 | Stoughton | May 1921 | |
2997288 | Schwechheimer et al. | Aug 1961 | |
4561637 | Schleimer | Dec 1985 | |
4681535 | Kobari et al. | Jul 1987 | |
4786321 | Hoster et al. | Nov 1988 | |
4828607 | Dighe et al. | May 1989 | |
4877449 | Khinkis | Oct 1989 | |
4928605 | Suwa et al. | May 1990 |
Number | Date | Country |
---|---|---|
2 704 101 | Aug 1977 | DEX |
3 422 267 | Dec 1985 | DEX |
36 10498 | Oct 1987 | DEX |
57-041 521 | Jun 1982 | JPX |
62-060 810 | Aug 1987 | JPX |
62-116 813 | Nov 1987 | JPX |
63-047 310 | Jul 1988 | JPX |
Entry |
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Derwent Publications Ltd., London, GB; AN 73-26378U & SU-A-349 716; Abstract. |