Slat type spring unit,申请号US19430484130-传众专利搜索

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发明名称	Slat type spring unit
摘要
申请公布号	US2432361(A)	申请公布日期	1947.12.09
申请号	US19430484130	申请日期	1943.04.23
申请人	RAYMOND WINTERS	发明人	WINTERS RAYMOND
分类号	A47C27/12	主分类号	A47C27/12
代理机构		代理人
主权项
地址

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