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发明名称
Toilet venting device
摘要
申请公布号
US2277165(A)
申请公布日期
1942.03.24
申请号
US19410410012
申请日期
1941.09.08
申请人
STEBBING PERCY H;WALLACE LEON L
发明人
STEBBING PERCY H.;WALLACE LEON L.
分类号
E03D1/26;E03D9/052
主分类号
E03D1/26
代理机构
代理人
主权项
地址
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