Lens obturating device,申请号US19350046060-传众专利搜索

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发明名称	Lens obturating device
摘要
申请公布号	US2067771(A)	申请公布日期	1937.01.12
申请号	US19350046060	申请日期	1935.10.22
申请人	LEVENTHAL PATENTS, INC.	发明人	LEVENTHAL JACOB F.
分类号	G03B41/08	主分类号	G03B41/08
代理机构		代理人
主权项
地址

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