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发明名称
Flush valve unit
摘要
申请公布号
US2688753(A)
申请公布日期
1954.09.14
申请号
US19520309195
申请日期
1952.09.12
申请人
LIMBERT ROLLIN J
发明人
LIMBERT ROLLIN J.
分类号
E03D1/34
主分类号
E03D1/34
代理机构
代理人
主权项
地址
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