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发明名称
Voltmètre à lampes.
摘要
申请公布号
CH230103(A)
申请公布日期
1943.12.15
申请号
CHD230103
申请日期
1942.09.19
申请人
DE LA TOUR,ROGER BOY
发明人
BOY DE LA TOUR,ROGER
分类号
G01R19/00
主分类号
G01R19/00
代理机构
代理人
主权项
地址
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