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发明名称
Registrerings- og Styremekanisme til automatiske eller halvautomatiske Telefonsystemer.
摘要
申请公布号
DK44952(C)
申请公布日期
1931.12.07
申请号
DKD44952
申请日期
1926.03.12
申请人
STANDARD ELECTRIC A.-S.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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