Construction par colonnes de sable,申请号FRD68415-传众专利搜索

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发明名称	Construction par colonnes de sable
摘要
申请公布号	FR68415(E)	申请公布日期	1958.04.30
申请号	FRD68415	申请日期	1955.01.18
申请人		发明人	VELUT JEAN
分类号	E04C3/36	主分类号	E04C3/36
代理机构		代理人
主权项
地址

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