Improvements in preformed building blocks,申请号GB19440006459-传众专利搜索

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发明名称	Improvements in preformed building blocks
摘要
申请公布号	GB577052(A)	申请公布日期	1946.05.02
申请号	GB19440006459	申请日期	1944.04.06
申请人	ERNEST CHARITY;ABRAHAM HARRIS	发明人
分类号	E04B2/02;E04B2/14	主分类号	E04B2/02
代理机构		代理人
主权项
地址

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