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发明名称
Drain pipe connector
摘要
申请公布号
US2893212(A)
申请公布日期
1959.07.07
申请号
US19550480523
申请日期
1955.01.07
申请人
HOLICKY WILLIAM F
发明人
HOLICKY WILLIAM F.
分类号
E04D13/08
主分类号
E04D13/08
代理机构
代理人
主权项
地址
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