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发明名称
Drainage fitting and valve construction therefor
摘要
申请公布号
US1873273(A)
申请公布日期
1932.08.23
申请号
US19300449215
申请日期
1930.05.02
申请人
BOOSEY EDWARD W N
发明人
BOOSEY EDWARD W. N.
分类号
F16K1/50;F16K31/50
主分类号
F16K1/50
代理机构
代理人
主权项
地址
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