HYDRAULIC SHIFTER FOR MINING MACHINES,申请号PL19750180221-传众专利搜索

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发明名称	HYDRAULIC SHIFTER FOR MINING MACHINES
摘要
申请公布号	PL101555(B1)	申请公布日期	1979.01.31
申请号	PL19750180221	申请日期	1975.05.07
申请人		发明人
分类号	E21F13/08;(IPC1-7):E21F13/08	主分类号	E21F13/08
代理机构		代理人
主权项
地址

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