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发明名称
Expansible envelope
摘要
An expansible envelope structure with a single fold bottom is provided with gusset side walls having stress relief score lines in the lower ends thereof which permit normal expansion of the gusset panels.
申请公布号
US5799862(A)
申请公布日期
1998.09.01
申请号
US19970863165
申请日期
1997.05.27
申请人
WESTVACO CORPORATION
发明人
GRAY, LARRY D.
分类号
B65D5/355;B65D5/36;(IPC1-7):B65D27/00
主分类号
B65D5/355
代理机构
代理人
主权项
地址
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