Machine for automatic development of photographic films,申请号US19460711560-传众专利搜索

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发明名称	Machine for automatic development of photographic films
摘要
申请公布号	US2431442(A)	申请公布日期	1947.11.25
申请号	US19460711560	申请日期	1946.11.22
申请人	WILSON DERN M	发明人	WILSON DERN M.
分类号	G03D3/04	主分类号	G03D3/04
代理机构		代理人
主权项
地址

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