SYSTEM FOR CHANGING STORAGE BATTERIES IN MINING LOCOMOTIVES BEING USED IN UNDERGROUND MINE WORKINGS OF INCREASED GEOSTATIC PRESSURE,申请号PL19850256369-传众专利搜索

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发明名称	SYSTEM FOR CHANGING STORAGE BATTERIES IN MINING LOCOMOTIVES BEING USED IN UNDERGROUND MINE WORKINGS OF INCREASED GEOSTATIC PRESSURE
摘要
申请公布号	PL147550(B1)	申请公布日期	1989.06.30
申请号	PL19850256369	申请日期	1985.11.21
申请人		发明人
分类号	B61C8/00;E21F;E21F13/00;(IPC1-7):B61C8/00	主分类号	B61C8/00
代理机构		代理人
主权项
地址

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