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发明名称
Improvements in and relating to pipe joints
摘要
申请公布号
GB326594(A)
申请公布日期
1930.03.20
申请号
GB19290001100
申请日期
1929.01.11
申请人
WILLIAM JOHNSON PATCHETT
发明人
分类号
F16L13/11
主分类号
F16L13/11
代理机构
代理人
主权项
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