Manufacture of envelopes and machine therefor,申请号US19310562695-传众专利搜索

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发明名称	Manufacture of envelopes and machine therefor
摘要
申请公布号	US2048069(A)	申请公布日期	1936.07.21
申请号	US19310562695	申请日期	1931.09.14
申请人	UNITED STATES ENVELOPE COMPANY	发明人	HEYWOOD VINCENT E.
分类号	B31B19/00	主分类号	B31B19/00
代理机构		代理人
主权项
地址

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