Number | Date | Country | Kind |
---|---|---|---|
8707348 | Mar 1987 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3382183 | Donoian et al. | May 1968 | |
3647431 | Rossi | Mar 1972 | |
3677752 | Looker et al. | Jul 1972 | |
3755310 | Rossi | Aug 1973 | |
4115450 | Garner et al. | Sep 1978 |
Number | Date | Country |
---|---|---|
0102642 | Jun 1982 | JPX |
0093143 | May 1986 | JPX |
Entry |
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European Search Report, Application No. 88302191.7. |
Chemical Abstract, vol. 108(10), 10 Mar. 1988. |