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发明名称
Package opening means
摘要
申请公布号
US3146912(A)
申请公布日期
1964.09.01
申请号
US19620194524
申请日期
1962.05.14
申请人
TWERSKY LOUIS S
发明人
TWERSKY LOUIS S.
分类号
B65D75/26;B65D75/30;B65D75/58
主分类号
B65D75/26
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代理人
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