Cadre de soutènement pour galeries de mines, conduites d'eau souterraines, tunnels et ouvrages analogues,申请号FRD1066245-传众专利搜索

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发明名称	Cadre de soutènement pour galeries de mines, conduites d'eau souterraines, tunnels et ouvrages analogues
摘要
申请公布号	FR1066245(A)	申请公布日期	1954.06.03
申请号	FRD1066245	申请日期	1952.08.12
申请人		发明人	LANGERBEIN WILHELM
分类号	E21D11/20	主分类号	E21D11/20
代理机构		代理人
主权项
地址

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