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发明名称
Water closet ventilating unit
摘要
申请公布号
US3287743(A)
申请公布日期
1966.11.29
申请号
US19640351028
申请日期
1964.03.11
申请人
WALTER A. GAY, JR.
发明人
COATES CHARLES E.
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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