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经营范围
发明名称
Improvements relating to ball and socket pipe couplings
摘要
申请公布号
GB484838(A)
申请公布日期
1938.05.11
申请号
GB19370004167
申请日期
1937.02.12
申请人
TUBES LIMITED;REGINALD WILLIAM SPENCER
发明人
分类号
F16L27/04
主分类号
F16L27/04
代理机构
代理人
主权项
地址
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