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发明名称
Комбайн для механизации выемки угля в лавах крутопадающих пластов
摘要
申请公布号
SU111965(A2)
申请公布日期
1957.11.30
申请号
SU19530576084
申请日期
1953.05.19
申请人
GRYTSYUK P.N.
发明人
GRYTSYUK P.N.
分类号
E21C27/02;E21C25/04
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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