DRUM-TYPE MINING HEAD,申请号PL19850257179-传众专利搜索

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发明名称	DRUM-TYPE MINING HEAD
摘要
申请公布号	PL257179(A1)	申请公布日期	1987.09.07
申请号	PL19850257179	申请日期	1985.12.24
申请人	DABROWSKIE GWARECTWO WEGLOWE K	发明人	MALCZYK ALFRED;KROLICA ZDZISLAW;MENDREK JERZY;ZUREK JERZY;OTREBA PAWEL;ZAK EDWARD;STANICZEK FRANCISZEK;DYLAG KAZIMIERZ;FELS MICHAL
分类号	E21C;E21C25/10;(IPC1-7):E21C/	主分类号	E21C
代理机构		代理人
主权项
地址

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