Pilier déplaçable souple pour le soutènement des galeries,申请号FRD1151745-传众专利搜索

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发明名称	Pilier déplaçable souple pour le soutènement des galeries
摘要
申请公布号	FR1151745(A)	申请公布日期	1958.02.05
申请号	FRD1151745	申请日期	1956.06.21
申请人	MASCHINENFABRIK EWALD WIEMANN	发明人
分类号	E21D15/38;E21D15/54	主分类号	E21D15/38
代理机构		代理人
主权项
地址

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