Schmidt type optical system with opaque diaphragm,申请号US19460663142-传众专利搜索

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发明名称	Schmidt type optical system with opaque diaphragm
摘要
申请公布号	US2449345(A)	申请公布日期	1948.09.14
申请号	US19460663142	申请日期	1946.04.18
申请人	HARTFORD NATIONAL BANK AND TRUST COMPANY	发明人	ALPHEN PIETER MARTINUS VAN
分类号	G02B17/08	主分类号	G02B17/08
代理机构		代理人
主权项
地址

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