HYDRAULIC PUSHER FOR USE IN MINING WORK,申请号PL19910291826-传众专利搜索

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发明名称	HYDRAULIC PUSHER FOR USE IN MINING WORK
摘要
申请公布号	PL291826(A1)	申请公布日期	1993.04.05
申请号	PL19910291826	申请日期	1991.09.24
申请人	BOLESLAW SMIALY KOPALNIA WEGLA	发明人	KAMYK JAN;PARYSIEWICZ WITOLD;WROBEL STEFAN;PASIERBEK KAZIMIERZ
分类号	E21F13/02;E21F13/04;(IPC1-7):E21F13/04	主分类号	E21F13/02
代理机构		代理人
主权项
地址

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