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发明名称
Envelope machine
摘要
申请公布号
US3316819(A)
申请公布日期
1967.05.02
申请号
US19640397106
申请日期
1964.09.17
申请人
CHAMPION PAPER INC.
发明人
COHN ROBERT
分类号
B31B19/00
主分类号
B31B19/00
代理机构
代理人
主权项
地址
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