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发明名称
URINAL FLUSHING CONTROL SYSTEM
摘要
申请公布号
US3497876(A)
申请公布日期
1970.03.03
申请号
USD3497876
申请日期
1967.02.16
申请人
CHARLES EDWARD WILLIAMS
发明人
CHARLES EDWARD WILLIAMS
分类号
E03D13/00;(IPC1-7):E04D13/00;G05B5/00
主分类号
E03D13/00
代理机构
代理人
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地址
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