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发明名称
Quecksilberschaltröhre.
摘要
申请公布号
AT131504(B)
申请公布日期
1933.01.25
申请号
ATD131504
申请日期
1931.07.31
申请人
OESTERREICHISCHE BROWN BOVERI-WERKE A.-G.
发明人
DR. HANS LATZKO
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主分类号
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