Cores for use in casting hollow concrete beams or columns,申请号GB19490008696-传众专利搜索

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发明名称	Cores for use in casting hollow concrete beams or columns
摘要
申请公布号	GB659448(A)	申请公布日期	1951.10.24
申请号	GB19490008696	申请日期	1949.03.30
申请人	DOW-MAC (PRODUCTS) LIMITED	发明人	SPENCER CHARLES ALFRED
分类号	B28B7/30	主分类号	B28B7/30
代理机构		代理人
主权项
地址

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