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发明名称
Valved coupling
摘要
申请公布号
US1968421(A)
申请公布日期
1934.07.31
申请号
US19310512051
申请日期
1931.01.29
申请人
THE COMMERCIAL SHEARING & STAMPING COMPANY
发明人
PROCTOR ROBERT V.
分类号
F16L29/04;F16L37/127;F16L37/248;F16L37/367
主分类号
F16L29/04
代理机构
代理人
主权项
地址
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