Method of closing bag tube ends,申请号US19420452411-传众专利搜索

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发明名称	Method of closing bag tube ends
摘要
申请公布号	US2409621(A)	申请公布日期	1946.10.22
申请号	US19420452411	申请日期	1942.07.27
申请人	BEMIS BRO. BAG CO.	发明人	GEIMER WILLIAM J.;LINDA FRANK R.
分类号	B31B19/60	主分类号	B31B19/60
代理机构		代理人
主权项
地址

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