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发明名称
Synchronisiereinrichtungen fuer Telegraphen, bei denen zur UEberwachung des Gleichlaufs zwei elektrische Anzeigevorrichtungen, z. B. Lampen, dienen
摘要
申请公布号
DE493591(C)
申请公布日期
1930.03.12
申请号
DE1924M093311D
申请日期
1924.08.03
申请人
MORKRUM-KLEINSCHMIDT CORPORATION
发明人
分类号
H04L7/00
主分类号
H04L7/00
代理机构
代理人
主权项
地址
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