Improvements in or relating to building materials and process and mold structure for making the same,申请号GB19400011877-传众专利搜索

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发明名称	Improvements in or relating to building materials and process and mold structure for making the same
摘要
申请公布号	GB542586(A)	申请公布日期	1942.01.16
申请号	GB19400011877	申请日期	1940.07.18
申请人	JOHANNES CORNELIUS PIETER LEEMHUIS	发明人
分类号	E04B2/02;E04B2/28	主分类号	E04B2/02
代理机构		代理人
主权项
地址

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