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发明名称
Folded-in bag valve with sleeve insert
摘要
申请公布号
US2517068(A)
申请公布日期
1950.08.01
申请号
US19470772642
申请日期
1947.09.08
申请人
BEMIS BRO. BAG COMPANY
发明人
WEEKS NORMAN E.
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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