Improvements in or relating to building blocks,申请号GB19360014047-传众专利搜索

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发明名称	Improvements in or relating to building blocks
摘要
申请公布号	GB477032(A)	申请公布日期	1937.12.20
申请号	GB19360014047	申请日期	1936.05.18
申请人	FREDERICK LUDFORD;WILLIAM GEORGE HITCHINS	发明人
分类号	E04C2/288	主分类号	E04C2/288
代理机构		代理人
主权项
地址

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