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发明名称
Voltmeter designed to indicate the charge condition of alpha storage battery
摘要
申请公布号
US1849074(A)
申请公布日期
1932.03.15
申请号
US19280294720
申请日期
1928.07.23
申请人
HENRY J. LUCKE
发明人
COOTE JOHN M.
分类号
G01R31/36
主分类号
G01R31/36
代理机构
代理人
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地址
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