Improvements in spring assemblies for upholstery,申请号GB19550004291-传众专利搜索

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发明名称	Improvements in spring assemblies for upholstery
摘要
申请公布号	GB764569(A)	申请公布日期	1956.12.28
申请号	GB19550004291	申请日期	1955.02.14
申请人	GENERAL MOTORS CORPORATION	发明人
分类号	A47C7/30;A47C23/16;B60N2/70	主分类号	A47C7/30
代理机构		代理人
主权项
地址

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