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经营范围
发明名称
Flush valve
摘要
申请公布号
US1959955(A)
申请公布日期
1934.05.22
申请号
US19300487652
申请日期
1930.10.10
申请人
HEDGES EDWARD G
发明人
HEDGES EDWARD G.
分类号
E03D3/04
主分类号
E03D3/04
代理机构
代理人
主权项
地址
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