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发明名称
Improvements in swivel pipe-couplings
摘要
申请公布号
GB575629(A)
申请公布日期
1946.02.26
申请号
GB19440000368
申请日期
1944.01.07
申请人
PIERRE MALLETTE HARDWICK
发明人
分类号
F16L27/08
主分类号
F16L27/08
代理机构
代理人
主权项
地址
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