Method of photography and improved means for securing the same,申请号US19380221679-传众专利搜索

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发明名称	Method of photography and improved means for securing the same
摘要
申请公布号	US2207411(A)	申请公布日期	1940.07.09
申请号	US19380221679	申请日期	1938.07.28
申请人	SAMUEL E. WITT	发明人	PIERCE FRANK H.
分类号	G03C5/04	主分类号	G03C5/04
代理机构		代理人
主权项
地址

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