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发明名称
Schaltungsanordnung fuer Fernmeldeanlagen, welche Erschuetterungen ausgesetzt sind
摘要
申请公布号
DE559993(C)
申请公布日期
1932.09.27
申请号
DE1931L078297D
申请日期
1931.05.01
申请人
C. LORENZ AKT.-GES.
发明人
HELMERT ROBERT
分类号
G08B25/00;G08C25/00
主分类号
G08B25/00
代理机构
代理人
主权项
地址
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