PHOTOGRAPHIC DARKROOM APPARATUS,申请号USD3438709-传众专利搜索

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发明名称	PHOTOGRAPHIC DARKROOM APPARATUS
摘要
申请公布号	US3438709(A)	申请公布日期	1969.04.15
申请号	USD3438709	申请日期	1966.10.10
申请人	ROCKER SOLENOID CO.	发明人	KIMIO HATASHITA
分类号	G03B27/73;(IPC1-7):G03B27/76	主分类号	G03B27/73
代理机构		代理人
主权项
地址

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