Machine and method of making multiply nonsifting bags,申请号US19380248664-传众专利搜索

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发明名称	Machine and method of making multiply nonsifting bags
摘要
申请公布号	US2215518(A)	申请公布日期	1940.09.24
申请号	US19380248664	申请日期	1938.12.31
申请人	H. G. WEBER & COMPANY, INC.	发明人	WEBER HERMAN G.;WEBER HERBERT H.
分类号	B31B19/16;B31B39/00	主分类号	B31B19/16
代理机构		代理人
主权项
地址

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