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发明名称
Drainage fitting
摘要
申请公布号
US1786597(A)
申请公布日期
1930.12.30
申请号
US19290387572
申请日期
1929.08.22
申请人
BOOSEY EDWARD W N
发明人
BOOSEY EDWARD W. N.
分类号
E03F7/04;F16K31/50
主分类号
E03F7/04
代理机构
代理人
主权项
地址
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