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经营范围
发明名称
Flush valve
摘要
申请公布号
US1767561(A)
申请公布日期
1930.06.24
申请号
US19280268014
申请日期
1928.04.06
申请人
STADDEN WILLIAM H
发明人
STADDEN WILLIAM H.
分类号
E03D3/08
主分类号
E03D3/08
代理机构
代理人
主权项
地址
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