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发明名称
TOILET FACILITY VENTILATION SYSTEM
摘要
申请公布号
US3571822(A)
申请公布日期
1971.03.23
申请号
USD3571822
申请日期
1969.01.10
申请人
HUGH E. SHAW JR.
发明人
HUGH E. SHAW JR.
分类号
E03D9/052;(IPC1-7):E03D9/05
主分类号
E03D9/052
代理机构
代理人
主权项
地址
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