Back rest for hospital beds,申请号US19400356441-传众专利搜索

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发明名称	Back rest for hospital beds
摘要
申请公布号	US2250026(A)	申请公布日期	1941.07.22
申请号	US19400356441	申请日期	1940.09.12
申请人	ALFRED LAUKHUFF	发明人	LAUKHUFF ALFRED
分类号	A47C20/04	主分类号	A47C20/04
代理机构		代理人
主权项
地址

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