Seat connecting device for school furniture,申请号US19340736254-传众专利搜索

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发明名称	Seat connecting device for school furniture
摘要
申请公布号	US1999949(A)	申请公布日期	1935.04.30
申请号	US19340736254	申请日期	1934.07.20
申请人	YAWMAN FREDERICK G	发明人	YAWMAN FREDERICK G.
分类号	A47B39/08	主分类号	A47B39/08
代理机构		代理人
主权项
地址

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