Geographical globe,申请号US19470773220-传众专利搜索

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发明名称	Geographical globe
摘要
申请公布号	US2466581(A)	申请公布日期	1949.04.05
申请号	US19470773220	申请日期	1947.09.10
申请人	DARROW BENJAMIN H	发明人	DARROW BENJAMIN H.
分类号	G09B27/08	主分类号	G09B27/08
代理机构		代理人
主权项
地址

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