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经营范围
发明名称
Improvements in or relating to pipe joints or couplings
摘要
申请公布号
GB625005(A)
申请公布日期
1949.06.21
申请号
GB19430007558
申请日期
1943.05.12
申请人
PIERRE ERNEST MERCIER
发明人
分类号
F16L27/10
主分类号
F16L27/10
代理机构
代理人
主权项
地址
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