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发明名称
Pipe coupling
摘要
申请公布号
US1820020(A)
申请公布日期
1931.08.25
申请号
US19280321832
申请日期
1928.11.26
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
HEWITT ELLIS E.
分类号
F16L19/02;F16L19/04
主分类号
F16L19/02
代理机构
代理人
主权项
地址
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