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发明名称
Машина для уборки породы в уклонных подготовительных выработках
摘要
申请公布号
SU92863(A1)
申请公布日期
1950.11.30
申请号
SU19500438144
申请日期
1950.11.13
申请人
SMETSKIJ P.F.
发明人
SMETSKIJ P.F.
分类号
E21F13/00;B65G65/04;E02F3/28;E21F13/04
主分类号
E21F13/00
代理机构
代理人
主权项
地址
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