étançon de mine,申请号FRD1132827-传众专利搜索

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发明名称	étançon de mine
摘要
申请公布号	FR1132827(A)	申请公布日期	1957.03.18
申请号	FRD1132827	申请日期	1955.10.17
申请人	GUTEHOFFNUNGSHUETTE STERKRADE AKTIENGESELLSCHAFT	发明人
分类号	E21D15/28	主分类号	E21D15/28
代理机构		代理人
主权项
地址

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