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发明名称
Bag bottom shaping device
摘要
申请公布号
US2712275(A)
申请公布日期
1955.07.05
申请号
US19520298316
申请日期
1952.07.11
申请人
ST. REGIS PAPER COMPANY
发明人
GRAMEGNA FRANCO
分类号
B31B29/00
主分类号
B31B29/00
代理机构
代理人
主权项
地址
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