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发明名称
Method of and apparatus for the manufacture of flat bags and envelopes
摘要
申请公布号
US1884468(A)
申请公布日期
1932.10.25
申请号
US19290377779
申请日期
1929.07.12
申请人
BALTIMORE PAPER COMPANY
发明人
WINKLER ALFRED;DUNNEBIER MAX
分类号
B31B19/00
主分类号
B31B19/00
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