,申请号PL19750177758-传众专利搜索

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法人/股东/高管

发明名称
摘要	A carriage and drive mechanism for use in mines in which the drive engages a continuous chain and moves the carriage along a rack; including a chain deflecting device and chain guide members.
申请公布号	PL93531(B1)	申请公布日期	1977.06.30
申请号	PL19750177758	申请日期	1975.02.01
申请人		发明人
分类号	E21F13/08;E21C29/00;E21C29/04;(IPC1-7):21C29/24	主分类号	E21F13/08
代理机构		代理人
主权项
地址

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