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发明名称
Hyperbolic hopper outlet means
摘要
申请公布号
US3071297(A)
申请公布日期
1963.01.01
申请号
US19610140162
申请日期
1961.09.14
申请人
YEE LEE
发明人
LEE YEE
分类号
B65D88/28
主分类号
B65D88/28
代理机构
代理人
主权项
地址
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