Number | Date | Country | Kind |
---|---|---|---|
199 19 153 | Apr 1999 | DE |
Number | Date | Country |
---|---|---|
646 820 | Jun 1937 | DE |
197 16 822 | Oct 1998 | DE |
0 648 827 | Apr 1995 | EP |
1 211 945 | Mar 1960 | FR |
2 297 549 | Aug 1996 | GB |
WO9507879 | Mar 1995 | WO |
WO9623036 | Aug 1996 | WO |
WO9624647 | Aug 1996 | WO |
WO9847979 | Oct 1998 | WO |
Entry |
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