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发明名称
Anordning ved fuldautomatiske telefonsystemer til etablering af opkald til en manuel plads.
摘要
申请公布号
DK72132(C)
申请公布日期
1951.02.12
申请号
DK19470000186
申请日期
1947.01.16
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
分类号
主分类号
代理机构
代理人
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地址
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