Valved bag and method of manufacturing it,申请号US19440526875-传众专利搜索

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发明名称	Valved bag and method of manufacturing it
摘要
申请公布号	US2415862(A)	申请公布日期	1947.02.18
申请号	US19440526875	申请日期	1944.03.17
申请人	BEMIS BRO. BAG COMPANY	发明人	BELCHER DANIEL
分类号	B65D30/24	主分类号	B65D30/24
代理机构		代理人
主权项
地址

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