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发明名称
Toilet bowl ventilating apparatus
摘要
申请公布号
US3230551(A)
申请公布日期
1966.01.25
申请号
US19630267706
申请日期
1963.03.25
申请人
KOPP RUBEN A
发明人
KOPP RUBEN A.
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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