Selective film printer,申请号US19370121472-传众专利搜索

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发明名称	Selective film printer
摘要
申请公布号	US2172330(A)	申请公布日期	1939.09.05
申请号	US19370121472	申请日期	1937.01.21
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	BRYCE JAMES W.
分类号	G03B27/475	主分类号	G03B27/475
代理机构		代理人
主权项
地址

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