Improvements relating to ventilating bricks for use in cavity walls,申请号GB19320034905-传众专利搜索

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发明名称	Improvements relating to ventilating bricks for use in cavity walls
摘要
申请公布号	GB407789(A)	申请公布日期	1934.03.29
申请号	GB19320034905	申请日期	1932.12.09
申请人	STONEWARE (1928) LIMITED;HERBERT DEAN	发明人
分类号	E04B1/70	主分类号	E04B1/70
代理机构		代理人
主权项
地址

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