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发明名称
Tubular coupling
摘要
申请公布号
US2273211(A)
申请公布日期
1942.02.17
申请号
US19390258373
申请日期
1939.02.25
申请人
THE P. A. GEIER COMPANY
发明人
MARTINET EUGENE F.
分类号
F16L21/025;F16L37/02
主分类号
F16L21/025
代理机构
代理人
主权项
地址
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