Light control mechanism,申请号US19400365677-传众专利搜索

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发明名称	Light control mechanism
摘要
申请公布号	US2318616(A)	申请公布日期	1943.05.11
申请号	US19400365677	申请日期	1940.11.14
申请人	MAYER	发明人	MAYER ALVIN L.;KOSSMAN HANS R.
分类号	G03B27/72	主分类号	G03B27/72
代理机构		代理人
主权项
地址

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