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发明名称
Manufacture of paper bags
摘要
申请公布号
US2202431(A)
申请公布日期
1940.05.28
申请号
US19370153426
申请日期
1937.07.13
申请人
KARL ROHRBACHER
发明人
ROHRBACHER KARL
分类号
B31B29/00
主分类号
B31B29/00
代理机构
代理人
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