Devices for use in aiding bricklaying,申请号GB19460008408-传众专利搜索

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发明名称	Devices for use in aiding bricklaying
摘要
申请公布号	GB605923(A)	申请公布日期	1948.08.03
申请号	GB19460008408	申请日期	1947.01.31
申请人	JOHN WILLIAM LAING;JOHN LAMBERT	发明人
分类号	E04G21/18	主分类号	E04G21/18
代理机构		代理人
主权项
地址

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