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发明名称
Устройство для прерывания в снегу канавки для установки снегозаградительных щитов
摘要
申请公布号
SU39801(A1)
申请公布日期
1934.11.30
申请号
SU19320117293
申请日期
1932.10.17
申请人
DMITRIEV N.P.
发明人
DMITRIEV N.P.
分类号
E01F7/02
主分类号
E01F7/02
代理机构
代理人
主权项
地址
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