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发明名称
A new or improved locking device for screwed pipe couplings or other coaxial screwed members
摘要
申请公布号
GB610573(A)
申请公布日期
1948.10.18
申请号
GB19460010801
申请日期
1946.04.08
申请人
RIFAT AVIGDOR
发明人
分类号
F16L19/00
主分类号
F16L19/00
代理机构
代理人
主权项
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