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发明名称
Elektromagnetisches Relais oder Messinstrument mit stromdurchflossener Spule in einem ringfoermigen Dauermagnetfeld
摘要
申请公布号
DE643937(C)
申请公布日期
1937.04.21
申请号
DE1935C050193D
申请日期
1935.02.12
申请人
JEAN CARTON
发明人
分类号
H01H53/015
主分类号
H01H53/015
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代理人
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