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发明名称
Water level controller
摘要
申请公布号
US2043530(A)
申请公布日期
1936.06.09
申请号
US19340738786
申请日期
1934.08.07
申请人
UNITED ELECTRIC CONTROLS COMPANY
发明人
DEZOTELL BERNARD W.
分类号
主分类号
代理机构
代理人
主权项
地址
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