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发明名称
Устройство для записи времени работы и простоя станков
摘要
申请公布号
SU77900(A1)
申请公布日期
1948.11.30
申请号
SU19480372754
申请日期
1948.01.06
申请人
KUR L.YA.
发明人
KUR L.YA.
分类号
G07C3/06
主分类号
G07C3/06
代理机构
代理人
主权项
地址
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