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发明名称	Camera
摘要
申请公布号	US1830239(A)	申请公布日期	1931.11.03
申请号	US19290382566	申请日期	1929.07.31
申请人	OWENS DEVELOPMENT CORPORATION	发明人	OWENS FREEMAN H.
分类号	G03B3/02	主分类号	G03B3/02
代理机构		代理人
主权项
地址

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