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发明名称
Valvular bag
摘要
申请公布号
US2294846(A)
申请公布日期
1942.09.01
申请号
US19390303743
申请日期
1939.11.10
申请人
BEMIS BRO. BAG COMPANY
发明人
HAUNGS ALBERT C.
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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