Perfectionnements aux dispositifs de rehaussement pour des étançons de mines ou analogues,申请号FR19676948488-传众专利搜索

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发明名称	Perfectionnements aux dispositifs de rehaussement pour des étançons de mines ou analogues
摘要
申请公布号	FR1525393(A)	申请公布日期	1968.05.17
申请号	FR19676948488	申请日期	1967.04.03
申请人	BENNES MARREL	发明人
分类号	E21D15/52	主分类号	E21D15/52
代理机构		代理人
主权项
地址

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