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发明名称
Stiff-sided collapsible pocket and method of making such pockets
摘要
申请公布号
US2791866(A)
申请公布日期
1957.05.14
申请号
US19530331247
申请日期
1953.01.14
申请人
CROSS CARROLL N
发明人
CROSS CARROLL N.
分类号
B42D5/04;G09F1/06
主分类号
B42D5/04
代理机构
代理人
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