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发明名称
Valvular closure and cap for collapsible tubes
摘要
申请公布号
US2620949(A)
申请公布日期
1952.12.09
申请号
US19500152905
申请日期
1950.03.30
申请人
COLE NED S
发明人
COLE NED S.
分类号
B65D47/20
主分类号
B65D47/20
代理机构
代理人
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地址
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