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发明名称
GUIDEWAY SECTION OF TRACTIVE ELEMENT OF COAL GETTING MACHINE
摘要
申请公布号
CS237300(B1)
申请公布日期
1985.07.16
申请号
CS19840001719
申请日期
1984.03.12
申请人
NYKL,JAN,CS;SMERDA,FRANTISEK,CS
发明人
NYKL,JAN,CS;SMERDA,FRANTISEK,CS
分类号
E21C27/34;(IPC1-7):E21C27/34
主分类号
E21C27/34
代理机构
代理人
主权项
地址
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