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发明名称
Temperaturkompensation bei Meßgeräten mit Kupferoxydulgleichrichter.
摘要
申请公布号
AT139774(B)
申请公布日期
1934.12.10
申请号
ATD139774
申请日期
1934.03.14
申请人
HARTMANN & BRAUN AKTIEN-GESELLSCHAFT
发明人
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主分类号
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