Improvements in and relating to pre-cast concrete articles,申请号GB19490018286-传众专利搜索

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发明名称	Improvements in and relating to pre-cast concrete articles
摘要
申请公布号	GB681603(A)	申请公布日期	1952.10.29
申请号	GB19490018286	申请日期	1949.07.11
申请人	GEORGE EDWARD BESSEY	发明人
分类号	C04B41/00;C04B41/60	主分类号	C04B41/00
代理机构		代理人
主权项
地址

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