Racleur-bélier à pics arracheurs activés,申请号FR19630936536-传众专利搜索

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发明名称	Racleur-bélier à pics arracheurs activés
摘要
申请公布号	FR1357538(A)	申请公布日期	1964.04.03
申请号	FR19630936536	申请日期	1963.05.30
申请人	GEWERKSCHAFT EISENHUETTE WESTFALIA	发明人
分类号	E21C27/35	主分类号	E21C27/35
代理机构		代理人
主权项
地址

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