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经营范围
发明名称
THERMOCOUPLE AMMETER
摘要
申请公布号
CA374915(A)
申请公布日期
1938.07.05
申请号
CAD374915
申请日期
申请人
WESTON ELECTRICAL INSTRUMENT CORPORATION
发明人
JOHN H. MILLER
分类号
主分类号
代理机构
代理人
主权项
地址
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