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发明名称
Coupling
摘要
申请公布号
US1878826(A)
申请公布日期
1932.09.20
申请号
US19310524474
申请日期
1931.03.23
申请人
THE ROSCO MANUFACTURING COMPANY
发明人
CEDERSTROM HAROLD A.
分类号
F16L37/20
主分类号
F16L37/20
代理机构
代理人
主权项
地址
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