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经营范围
发明名称
Improvements in or relating to connecting means for pipes or tubes
摘要
申请公布号
GB691935(A)
申请公布日期
1953.05.27
申请号
GB19500018969
申请日期
1950.07.28
申请人
RAYMOND JAMES MITCHELL
发明人
分类号
F16L13/08
主分类号
F16L13/08
代理机构
代理人
主权项
地址
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