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发明名称
Pipe coupling
摘要
申请公布号
US1881508(A)
申请公布日期
1932.10.11
申请号
US19310571001
申请日期
1931.10.26
申请人
STANDARD STEEL WORKS
发明人
GREDELL OTTO N.
分类号
F16L37/252
主分类号
F16L37/252
代理机构
代理人
主权项
地址
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