Improvements in or relating to the manufacture of concrete articles by extrusion,申请号GB19410000776-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of concrete articles by extrusion
摘要
申请公布号	GB546645(A)	申请公布日期	1942.07.23
申请号	GB19410000776	申请日期	1941.01.20
申请人	GEOFFREY HERBERT CHEESMAN	发明人
分类号	B28B1/50;C04B28/04	主分类号	B28B1/50
代理机构		代理人
主权项
地址

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