Improvements in or relating to core for forming holes in cast concrete or like slabsor components,申请号GB19460028428-传众专利搜索

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发明名称	Improvements in or relating to core for forming holes in cast concrete or like slabsor components
摘要
申请公布号	GB616930(A)	申请公布日期	1949.01.28
申请号	GB19460028428	申请日期	1946.09.23
申请人	WILLIAM LEONARD JONES	发明人
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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