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经营范围
发明名称
Automatic toilet ventilation apparatus
摘要
申请公布号
GB2190112(A)
申请公布日期
1987.11.11
申请号
GB19860005476
申请日期
1986.03.05
申请人
DAVID * WILLINGHAM
发明人
DAVID * WILLINGHAM
分类号
E03D9/04;(IPC1-7):E03D9/04
主分类号
E03D9/04
代理机构
代理人
主权项
地址
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