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发明名称
Improvements relating to pipe couplings
摘要
申请公布号
GB566965(A)
申请公布日期
1945.01.22
申请号
GB19430011557
申请日期
1943.07.15
申请人
PAUL DAVID WURZBURGER
发明人
分类号
F16L19/12
主分类号
F16L19/12
代理机构
代理人
主权项
地址
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