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发明名称
Скреперное устройство
摘要
申请公布号
SU60767(A1)
申请公布日期
1941.11.30
申请号
SU19400036034
申请日期
1940.10.10
申请人
SHUMOVICH V.V.
发明人
SHUMOVICH V.V.
分类号
E02F3/54
主分类号
E02F3/54
代理机构
代理人
主权项
地址
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