Tête de machine d'abattage de minerai,申请号FR19660069198-传众专利搜索

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发明名称	Tête de machine d'abattage de minerai
摘要
申请公布号	FR1546467(A)	申请公布日期	1968.11.22
申请号	FR19660069198	申请日期	1966.07.12
申请人	THE SALEM TOOL COMPANY	发明人
分类号	E21C25/58;E21C27/22	主分类号	E21C25/58
代理机构		代理人
主权项
地址

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