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发明名称
Toilet ventilator
摘要
申请公布号
US2320065(A)
申请公布日期
1943.05.25
申请号
US19410382710
申请日期
1941.03.11
申请人
BRISCOE CHARLES F;GRAHAM HARVEY L
发明人
BRISCOE CHARLES F.;GRAHAM HARVEY L.
分类号
E03D9/052
主分类号
E03D9/052
代理机构
代理人
主权项
地址
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