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发明名称
Ventable package cover
摘要
A vapor outlet valve for packages, consisting of a valve film welded to the inner surface of the capping film of the package in such a way that it is exposed when a predetermined section of the capping film is torn off.
申请公布号
US4461420(A)
申请公布日期
1984.07.24
申请号
US19820436181
申请日期
1982.10.22
申请人
COD INTER TECHNIQUES SA
发明人
HORVATH, LASZLO S.
分类号
B65D77/30;B65D75/62;B65D81/24;(IPC1-7):B65D81/34;B65D51/16
主分类号
B65D77/30
代理机构
代理人
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