Improvements in or relating to spring mattresses,申请号GB19460020454-传众专利搜索

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发明名称	Improvements in or relating to spring mattresses
摘要
申请公布号	GB614133(A)	申请公布日期	1948.12.09
申请号	GB19460020454	申请日期	1946.07.09
申请人	HAROLD FREDERICK GODFREY	发明人
分类号	A47C23/00	主分类号	A47C23/00
代理机构		代理人
主权项
地址

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