Camera light protecting sleeve,申请号US19450578654-传众专利搜索

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发明名称	Camera light protecting sleeve
摘要
申请公布号	US2420719(A)	申请公布日期	1947.05.20
申请号	US19450578654	申请日期	1945.02.19
申请人	PAUL PARK	发明人	PARK PAUL
分类号	G03B11/04	主分类号	G03B11/04
代理机构		代理人
主权项
地址

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