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发明名称
VERFAHREN UND VORRICHTUNG ZUR ERMITTLUNG DER ANWESENHEITSZEIT EINES ARBEITNEHMERS BEI GLEITENDER ARBEITSZEIT
摘要
申请公布号
DE1945564(B2)
申请公布日期
1972.07.06
申请号
DE19691945564
申请日期
1969.09.09
申请人
发明人
分类号
B42F19/00;G07C1/06;(IPC1-7):G07C1/06
主分类号
B42F19/00
代理机构
代理人
主权项
地址
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