Improvements relating to mattresses,申请号GB19330034383-传众专利搜索

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发明名称	Improvements relating to mattresses
摘要
申请公布号	GB425563(A)	申请公布日期	1935.03.18
申请号	GB19330034383	申请日期	1933.12.07
申请人	JOHN GRIFFIN ALLEN	发明人
分类号	A47C19/00	主分类号	A47C19/00
代理机构		代理人
主权项
地址

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