Improvements in and relating to playpens for children,申请号GB19490022343-传众专利搜索

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发明名称	Improvements in and relating to playpens for children
摘要
申请公布号	GB669598(A)	申请公布日期	1952.04.02
申请号	GB19490022343	申请日期	1949.08.29
申请人	RONALD CHARLES JOHNSON	发明人
分类号	A47D13/06	主分类号	A47D13/06
代理机构		代理人
主权项
地址

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