Light measuring device for photographic enlargers,申请号US19450633475-传众专利搜索

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发明名称	Light measuring device for photographic enlargers
摘要
申请公布号	US2411486(A)	申请公布日期	1946.11.19
申请号	US19450633475	申请日期	1945.12.07
申请人	SIMMON BROTHERS, INC.	发明人	WEISGLASS LOUIS L.
分类号	G01J1/42	主分类号	G01J1/42
代理机构		代理人
主权项
地址

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