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发明名称
Electrical instrument and system
摘要
申请公布号
US2391058(A)
申请公布日期
1945.12.18
申请号
US19440567848
申请日期
1944.12.12
申请人
THE LIQUIDOMETER CORPORATION
发明人
LINGEL FREDERICK J.
分类号
G08C19/02
主分类号
G08C19/02
代理机构
代理人
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地址
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