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发明名称
Manufacture of dry-sealing envelopes
摘要
申请公布号
US2312162(A)
申请公布日期
1943.02.23
申请号
US19400345530
申请日期
1940.07.15
申请人
UNITED STATES ENVELOPE COMPANY
发明人
HEYWOOD VINCENT E.
分类号
B31B19/00
主分类号
B31B19/00
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