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发明名称
Waehler fuer Fernsprechanlagen
摘要
申请公布号
DE495637(C)
申请公布日期
1930.04.11
申请号
DE1925S072212D
申请日期
1925.11.11
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
GIESE KARL
分类号
H01H63/02
主分类号
H01H63/02
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