Structures en béton précontraint,申请号FR19650022193-传众专利搜索

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发明名称	Structures en béton précontraint
摘要
申请公布号	FR88353(E)	申请公布日期	1967.01.27
申请号	FR19650022193	申请日期	1965.06.24
申请人	PRELOAD INTERNATIONAL INC.	发明人
分类号	E04H7/20	主分类号	E04H7/20
代理机构		代理人
主权项
地址

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