HYDRAULIC CONTROL FOR KERF COVERING AND POSITION CORRECTING DEVICE ARRANGED ON ONE SIDE OF CEILING GIRDER OR COLLAPSE SHIELD OF MINE SUPPORTING UNIT,申请号HU1979EI00870-传众专利搜索

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发明名称	HYDRAULIC CONTROL FOR KERF COVERING AND POSITION CORRECTING DEVICE ARRANGED ON ONE SIDE OF CEILING GIRDER OR COLLAPSE SHIELD OF MINE SUPPORTING UNIT
摘要
申请公布号	HU182485(B)	申请公布日期	1984.01.30
申请号	HU1979EI00870	申请日期	1979.07.04
申请人	GEWERKSCHAFT EISENHUETTE WESTFALIA,DE	发明人	WEIRICH,WALTER,DE;ROSENBERG,HARRY,DE
分类号	E21D23/06;E21D23/26;(IPC1-7):E21D23/16	主分类号	E21D23/06
代理机构		代理人
主权项
地址

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