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发明名称
Liquid level control
摘要
申请公布号
US2176741(A)
申请公布日期
1939.10.17
申请号
US19360075665
申请日期
1936.04.22
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
KUHL PAUL E.
分类号
G05D9/04
主分类号
G05D9/04
代理机构
代理人
主权项
地址
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