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发明名称
Meter changing water cutoff
摘要
申请公布号
US2299365(A)
申请公布日期
1942.10.20
申请号
US19410395662
申请日期
1941.05.28
申请人
SAMUEL VALUCH
发明人
VALUCH SAMUEL
分类号
F16L55/132
主分类号
F16L55/132
代理机构
代理人
主权项
地址
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