échafaudage à éléments tubulaires,申请号FRD66821-传众专利搜索

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发明名称	échafaudage à éléments tubulaires
摘要
申请公布号	FR66821(E)	申请公布日期	1957.09.10
申请号	FRD66821	申请日期	1954.08.12
申请人		发明人	HELAIN HENRI-MARIE-GEORGES
分类号	E04B1/58;E04G7/30	主分类号	E04B1/58
代理机构		代理人
主权项
地址

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