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经营范围
发明名称
Flood valve
摘要
申请公布号
US1794422(A)
申请公布日期
1931.03.03
申请号
US19290405455
申请日期
1929.11.07
申请人
SHERMAN SHAUL
发明人
SHAUL SHERMAN
分类号
F16K15/03
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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