An improved device for retaining bed coverings in position,申请号GB19570032623-传众专利搜索

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发明名称	An improved device for retaining bed coverings in position
摘要
申请公布号	GB833271(A)	申请公布日期	1960.04.21
申请号	GB19570032623	申请日期	1957.10.18
申请人	JOHN ALGERNON LAUNDER	发明人
分类号	A47C21/02	主分类号	A47C21/02
代理机构		代理人
主权项
地址

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