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发明名称
Resilient spring envelope for collapsible tubes
摘要
申请公布号
US2776077(A)
申请公布日期
1957.01.01
申请号
US19510213165
申请日期
1951.02.28
申请人
EMIEL FREEDMAN
发明人
FREEDMAN EMIEL
分类号
B65D35/28
主分类号
B65D35/28
代理机构
代理人
主权项
地址
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