Number | Date | Country | Kind |
---|---|---|---|
3012125 | Mar 1980 | DEX | |
3029272 | Aug 1980 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3420782 | Dahm et al. | Jan 1969 | |
4033912 | Kleimann et al. | Jul 1977 | |
4042540 | Lammerting et al. | Aug 1977 | |
4096162 | Windemuth et al. | Jun 1978 | |
4163830 | Windemuth et al. | Aug 1979 | |
4280007 | Meisert et al. | Jul 1981 |
Number | Date | Country |
---|---|---|
23646 | Jul 1980 | EPX |
2444405 | Mar 1976 | DEX |
1224849 | Jun 1960 | FRX |
1270169 | Jul 1961 | FRX |
794403 | May 1958 | GBX |
1016663 | Jan 1966 | GBX |
1381571 | Jan 1975 | GBX |
Entry |
---|
Plastiques Modernes et Elastomeres, Band 29, Heft 4, May, 1977, pp. 64-66-69. |
Plastiques Modernes et Elastomeres, Band 29, Heft 5, Jun. 1977, pp. 58-60. |