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发明名称
Aus zwei gegeneinander zu verdrehenden walzenfoermigen Teilen bestehender, in eine Leitungslitze einzubauender, griffloser Drehschalter
摘要
申请公布号
DE529335(C)
申请公布日期
1931.07.20
申请号
DED529335D
申请日期
申请人
DR. RICHARD HEILBRUN
发明人
分类号
H01H19/10
主分类号
H01H19/10
代理机构
代理人
主权项
地址
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