Screen,申请号US19400331075-传众专利搜索

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法人/股东/高管

发明名称	Screen
摘要
申请公布号	US2261771(A)	申请公布日期	1941.11.04
申请号	US19400331075	申请日期	1940.04.23
申请人	LAUBENSTEIN ALBERT R	发明人	LAUBENSTEIN ALBERT R.
分类号	B07B1/30	主分类号	B07B1/30
代理机构		代理人
主权项
地址

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