étançon de mine,申请号FRD1214273-传众专利搜索

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发明名称	étançon de mine
摘要
申请公布号	FR1214273(A)	申请公布日期	1960.04.07
申请号	FRD1214273	申请日期	1958.10.24
申请人		发明人	HEESE HELMUT
分类号	E21D15/15;E21D15/28;E21D15/58	主分类号	E21D15/15
代理机构		代理人
主权项
地址

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