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经营范围
发明名称
Precise automatic multirange indicating voltmeter and/or ratiometer
摘要
申请公布号
US2870408(A)
申请公布日期
1959.01.20
申请号
US19550503764
申请日期
1955.04.25
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
DRAGANJAC MICHAEL J.
分类号
G01R15/09
主分类号
G01R15/09
代理机构
代理人
主权项
地址
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