Improvements in prestressed reinforced concrete construction,申请号GB19490030182-传众专利搜索

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发明名称	Improvements in prestressed reinforced concrete construction
摘要
申请公布号	GB688687(A)	申请公布日期	1953.03.11
申请号	GB19490030182	申请日期	1949.11.24
申请人	JEAN MAUQUOY	发明人
分类号	B28B23/04;E04G21/12	主分类号	B28B23/04
代理机构		代理人
主权项
地址

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