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发明名称
Reducer for threaded follower pipe joints or couplings
摘要
申请公布号
US2080271(A)
申请公布日期
1937.05.11
申请号
US19360086317
申请日期
1936.06.20
申请人
S.R. DRESSER MANUFACTURING COMPANY
发明人
HIRST HOMER T.
分类号
F16L19/06
主分类号
F16L19/06
代理机构
代理人
主权项
地址
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