Lens mounting,申请号US19390259935-传众专利搜索

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发明名称	Lens mounting
摘要
申请公布号	US2231256(A)	申请公布日期	1941.02.11
申请号	US19390259935	申请日期	1939.03.06
申请人	ART-CRAFT OPTICAL CO. INC.	发明人	DECHAU OTTO W.
分类号	G02C1/02	主分类号	G02C1/02
代理机构		代理人
主权项
地址

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