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发明名称
Угольный комбайн с двумя параллельно расположенными контурными барами, обеспечивающими челночную работу
摘要
申请公布号
SU87017(A1)
申请公布日期
1949.11.30
申请号
SU19490407431
申请日期
1949.11.21
申请人
SUKACH A.D.;KHORIN V.N.
发明人
SUKACH A.D.;KHORIN V.N.
分类号
E21C27/00;E21C25/26
主分类号
E21C27/00
代理机构
代理人
主权项
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