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发明名称
Zeitstempelvorrichtung, vorzugsweise fuer Arbeitszeitkontrollkarten
摘要
申请公布号
DE721654(C)
申请公布日期
1942.06.12
申请号
DE1935T045396D
申请日期
1935.06.07
申请人
TELEFONAKTIEBOLAGET L.M. ERICSSON
发明人
分类号
主分类号
代理机构
代理人
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