Art of testing coins or other tokens for genuineness,申请号US19310517222-传众专利搜索

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发明名称	Art of testing coins or other tokens for genuineness
摘要
申请公布号	US1972097(A)	申请公布日期	1934.09.04
申请号	US19310517222	申请日期	1931.02.20
申请人	FAIRFIELD SPECIALTIES CORPORATION	发明人	HOBAN FAIRFIELD W.
分类号	G07D5/08	主分类号	G07D5/08
代理机构		代理人
主权项
地址

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