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发明名称
DEVICE FOR BOLTED CONNECTIONS' TIGHTENING ESPECIALLY OF COUPLINGS FOR LARGER DIAMETERS TUBES
摘要
申请公布号
CS251139(B1)
申请公布日期
1987.06.11
申请号
CS19850009232
申请日期
1985.12.13
申请人
PENN,KAREL,CS
发明人
PENN,KAREL,CS
分类号
B23P19/06;F16L15/00;(IPC1-7):F16L15/00
主分类号
B23P19/06
代理机构
代理人
主权项
地址
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