Spring structure for use in bed mattresses, pillows, and cushions,申请号US19390305516-传众专利搜索

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发明名称	Spring structure for use in bed mattresses, pillows, and cushions
摘要
申请公布号	US2214135(A)	申请公布日期	1940.09.10
申请号	US19390305516	申请日期	1939.11.21
申请人	LEGGETT AND PLATT SPRING BED AND MANUFACTURING COMPANY	发明人	HICKMAN HAROLD
分类号	A47C23/053	主分类号	A47C23/053
代理机构		代理人
主权项
地址

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