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发明名称
CONVEYER DEVICE FOR LOADING COAL
摘要
申请公布号
SU569729(A1)
申请公布日期
1977.08.25
申请号
SU19752119902
申请日期
1975.04.01
申请人
UK NI PK I PODZEMNOJ GIDRAVLICHESKOJ DOBYCHI UGLYA
发明人
KHIZHNYAK NIKOLAJ YA,SU;OSTAPENKO ALEKSANDR F,SU;SMETANA NIKOLAJ YA,SU;CHEREPENIN ANTIP V,SU
分类号
E21C35/20;E21C35/14;E21D23/08;E21F13/08;(IPC1-7):E21F13/08
主分类号
E21C35/20
代理机构
代理人
主权项
地址
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