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发明名称
Method for making a seal ring
摘要
申请公布号
EP0922890(A3)
申请公布日期
2000.03.08
申请号
EP19980119112
申请日期
1998.10.09
申请人
FIRMA CARL FREUDENBERG
发明人
WALLAT, GERHARD
分类号
F16J15/32;(IPC1-7):F16J15/32
主分类号
F16J15/32
代理机构
代理人
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地址
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