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发明名称
Water-level control
摘要
申请公布号
US2495086(A)
申请公布日期
1950.01.17
申请号
US19440551032
申请日期
1944.08.24
申请人
SERVEL, INC.
发明人
ANDERSSON SVEN W. E.
分类号
F22B37/42;G05D9/12
主分类号
F22B37/42
代理机构
代理人
主权项
地址
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