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发明名称
Угольный комбайн
摘要
申请公布号
SU86959(A1)
申请公布日期
1950.11.30
申请号
SU19500412974
申请日期
1950.02.23
申请人
RUDENSKIJ I.M.
发明人
RUDENSKIJ I.M.
分类号
E21C27/26;E21C25/26
主分类号
E21C27/26
代理机构
代理人
主权项
地址
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