Photographic shutter, particularly adapted for aerial photography,申请号US19420461396-传众专利搜索

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发明名称	Photographic shutter, particularly adapted for aerial photography
摘要
申请公布号	US2345365(A)	申请公布日期	1944.03.28
申请号	US19420461396	申请日期	1942.10.09
申请人	THE FOLMER GRAFLEX CORPORATION	发明人	STEINER OSCAR
分类号	G03B9/08	主分类号	G03B9/08
代理机构		代理人
主权项
地址

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