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发明名称
Elektrische Anlage zur Feststellung des Arbeitsnutzeffektes von Gruppen gleichartiger Arbeitsmaschinen in Fabrikanlagen.
摘要
申请公布号
CH253138(A)
申请公布日期
1948.02.15
申请号
CHD253138
申请日期
1947.01.17
申请人
ISSENMANN,CARL
发明人
ISSENMANN,CARL
分类号
G07C3/02
主分类号
G07C3/02
代理机构
代理人
主权项
地址
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