Nonrewind expansible film reel,申请号US19400336373-传众专利搜索

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发明名称	Nonrewind expansible film reel
摘要
申请公布号	US2290082(A)	申请公布日期	1942.07.14
申请号	US19400336373	申请日期	1940.05.21
申请人	NO REWIND REEL CORP.	发明人	WANDEL BARNEY
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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