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发明名称
Variable length envelope
摘要
This invention is an envelope that can be laterally extended to accommodate articles of varying length. The envelope is formed from a single blank in one pass in a continuous manufacturing operation.
申请公布号
US2003034383(A1)
申请公布日期
2003.02.20
申请号
US20010929062
申请日期
2001.08.15
申请人
PURCELL DOUGLAS K.
发明人
PURCELL DOUGLAS K.
分类号
B65D27/00;(IPC1-7):B65D27/00
主分类号
B65D27/00
代理机构
代理人
主权项
地址
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