REVERSIBLE COUPLING LINK IN PARTICULAR FOR COUPLING TOGETHER MOVABLE MEBERS OF HYDRAULIC CYLINDERS WITH LIE RODS IN A SELF-ADVANCING ROOF SUPPORT UNITS,申请号PL19850252946-传众专利搜索

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发明名称	REVERSIBLE COUPLING LINK IN PARTICULAR FOR COUPLING TOGETHER MOVABLE MEBERS OF HYDRAULIC CYLINDERS WITH LIE RODS IN A SELF-ADVANCING ROOF SUPPORT UNITS
摘要
申请公布号	PL144998(B1)	申请公布日期	1988.07.30
申请号	PL19850252946	申请日期	1985.04.15
申请人		发明人
分类号	E21D;E21D23/00;(IPC1-7):E21D23/00	主分类号	E21D
代理机构		代理人
主权项
地址

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