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经营范围
发明名称
Improvements in pipe couplings
摘要
申请公布号
GB572589(A)
申请公布日期
1945.10.15
申请号
GB19430016765
申请日期
1943.10.13
申请人
ARTHUR LARUE PARKER
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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