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发明名称
Valved pipe coupling
摘要
申请公布号
US2553680(A)
申请公布日期
1951.05.22
申请号
US19470790119
申请日期
1947.12.06
申请人
SCHEIWER ALBERT T
发明人
SCHEIWER ALBERT T.
分类号
F16L37/23;F16L37/367
主分类号
F16L37/23
代理机构
代理人
主权项
地址
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