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发明名称
Drain pipe
摘要
申请公布号
US2009163(A)
申请公布日期
1935.07.23
申请号
US19330679105
申请日期
1933.07.05
申请人
CHESLEY CHARLES C
发明人
CHESLEY CHARLES C.
分类号
E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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