Window-cutting device for envelopes and bag-making machines,申请号US19650426627-传众专利搜索

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发明名称	Window-cutting device for envelopes and bag-making machines
摘要
申请公布号	US3274871(A)	申请公布日期	1966.09.27
申请号	US19650426627	申请日期	1965.01.19
申请人	RICHARD WINKLER;KURT DUNNBIER	发明人	EHLSCHEID GUNTER
分类号	B26D7/18;B31B1/24	主分类号	B26D7/18
代理机构		代理人
主权项
地址

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