Number | Date | Country | Kind |
---|---|---|---|
86201152.5 | Jul 1986 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
4150525 | De Busscher et al. | Apr 1979 |
Number | Date | Country |
---|---|---|
1457964 | Apr 1969 | DEX |
1782012 | Jul 1971 | DEX |
1544188 | Apr 1979 | GBX |
1580350 | Dec 1980 | GBX |
Entry |
---|
West German Gebrauchsmuster No. 7725843, published 11/24/77. |