Perfectionnements aux soutènements, étais et charpentes similaires servant à supporter le toit, pour mines de houille et applications similaires,申请号FR19570734084-传众专利搜索

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发明名称	Perfectionnements aux soutènements, étais et charpentes similaires servant à supporter le toit, pour mines de houille et applications similaires
摘要
申请公布号	FR1220815(A)	申请公布日期	1960.05.27
申请号	FR19570734084	申请日期	1957.03.15
申请人	GULLICK LIMITED	发明人
分类号	E21D15/44;E21D15/51;E21D15/52;E21D15/54;E21D15/58;E21D17/04;E21D23/00	主分类号	E21D15/44
代理机构		代理人
主权项
地址

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