Headrest,申请号US19280329294-传众专利搜索

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法人/股东/高管

发明名称	Headrest
摘要
申请公布号	US1817755(A)	申请公布日期	1931.08.04
申请号	US19280329294	申请日期	1928.12.29
申请人	RITTER DENTAL MANUFACTURING COMPANY, INC.	发明人	MAY ADAM J.
分类号	A61G15/12	主分类号	A61G15/12
代理机构		代理人
主权项
地址

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