Apparatus for illustrating economics by physical analogies,申请号US19490131806-传众专利搜索

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发明名称	Apparatus for illustrating economics by physical analogies
摘要
申请公布号	US2526261(A)	申请公布日期	1950.10.17
申请号	US19490131806	申请日期	1949.12.08
申请人	MOONEY JAMES D	发明人	MOONEY JAMES D.
分类号	G09B19/18	主分类号	G09B19/18
代理机构		代理人
主权项
地址

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