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发明名称
Valved pipe coupling
摘要
申请公布号
US2417483(A)
申请公布日期
1947.03.18
申请号
US19440533212
申请日期
1944.04.28
申请人
GEIGER DAVID F;TRUE GLENN C
发明人
GEIGER DAVID F.;TRUE GLENN C.
分类号
F16L37/113;F16L37/40
主分类号
F16L37/113
代理机构
代理人
主权项
地址
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