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发明名称
Flush tank valve
摘要
申请公布号
US1831831(A)
申请公布日期
1931.11.17
申请号
US19300452906
申请日期
1930.05.16
申请人
WILSON
发明人
WILSON ELIHU C.;CRAVEN JAMES F.
分类号
E03D1/30
主分类号
E03D1/30
代理机构
代理人
主权项
地址
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