Pièce d'assemblage pour cadres de mine,申请号FRD1180911-传众专利搜索

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发明名称	Pièce d'assemblage pour cadres de mine
摘要
申请公布号	FR1180911(A)	申请公布日期	1959.06.10
申请号	FRD1180911	申请日期	1957.08.07
申请人		发明人	BOUCHER ANDREE-ANNE
分类号	E21D11/22	主分类号	E21D11/22
代理机构		代理人
主权项
地址

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