Reel for cameras and projectors,申请号US19270227934-传众专利搜索

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发明名称	Reel for cameras and projectors
摘要
申请公布号	US1775610(A)	申请公布日期	1930.09.09
申请号	US19270227934	申请日期	1927.10.22
申请人	ALFRED WEISS	发明人	WEISS ALFRED
分类号	G03B21/32	主分类号	G03B21/32
代理机构		代理人
主权项
地址

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