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经营范围
发明名称
WATER LEVEL CONTROL SYSTEM
摘要
申请公布号
US3495411(A)
申请公布日期
1970.02.17
申请号
USD3495411
申请日期
1968.06.28
申请人
INTERIOR USA
发明人
WILLIAM J. CLEMENS
分类号
E02B7/20;(IPC1-7):E02B7/20;E02B7/40
主分类号
E02B7/20
代理机构
代理人
主权项
地址
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