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发明名称
Tetningsring
摘要
申请公布号
NO310430(B1)
申请公布日期
2001.07.02
申请号
NO19960003697
申请日期
1996.09.04
申请人
ICOPAL AS
发明人
CHRISTIANSEN, YNGVAR
分类号
E03F;E03F3/04;F16L;F16L21/02;F16L21/035;(IPC1-7):E03F3/04
主分类号
E03F
代理机构
代理人
主权项
地址
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