SHANK ESPECIALLY FOR COAL PLOUGHS,申请号CS19870001693-传众专利搜索

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发明名称	SHANK ESPECIALLY FOR COAL PLOUGHS
摘要
申请公布号	CS8701693(A2)	申请公布日期	1989.05.12
申请号	CS19870001693	申请日期	1987.03.13
申请人	GEWERKSCHAFT EISENHUTTE WESTFA DE	发明人	RASSMANN CHRISTOPH,DE;BREUER OSWALD,DE;STEINKUHL BERND,DE
分类号	E21C35/197;E21C27/32;E21C27/44;E21C35/19;(IPC1-7):E21C27/32	主分类号	E21C35/197
代理机构		代理人
主权项
地址

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