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发明名称
WEDGE-TYPE PIPE JOINT
摘要
申请公布号
PL154288(B1)
申请公布日期
1991.07.31
申请号
PL19870263707
申请日期
1987.01.19
申请人
发明人
分类号
F16L;F16L23/04;F16L37/08;(IPC1-7):F16L37/08
主分类号
F16L
代理机构
代理人
主权项
地址
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