Envelope opening machine,申请号US19380186357-传众专利搜索

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发明名称	Envelope opening machine
摘要
申请公布号	US2157232(A)	申请公布日期	1939.05.09
申请号	US19380186357	申请日期	1938.01.22
申请人	MULTIPOST CO.	发明人	DUMMER EDWARD J.;GAY AZEL
分类号	B43M7/00	主分类号	B43M7/00
代理机构		代理人
主权项
地址

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