Improved hinged joint construction and book rest embodying same,申请号GB19500001972-传众专利搜索

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发明名称	Improved hinged joint construction and book rest embodying same
摘要
申请公布号	GB675384(A)	申请公布日期	1952.07.09
申请号	GB19500001972	申请日期	1950.01.25
申请人	JAMES PAISLEY	发明人
分类号	A47B23/04	主分类号	A47B23/04
代理机构		代理人
主权项
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