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发明名称
DEVICE FOR PULLING APART FLANGE JOINTS
摘要
申请公布号
PL118119(B1)
申请公布日期
1981.09.30
申请号
PL19780209004
申请日期
1978.08.12
申请人
发明人
分类号
F16L;F16L1/00;F16L55/00;(IPC1-7):F16L1/00
主分类号
F16L
代理机构
代理人
主权项
地址
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