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发明名称
CLOSURE FLAP FOLDING AND ENVELOPE STACKING MECHANISM FOR ENVELOPE MACHINES
摘要
申请公布号
CA494715(A)
申请公布日期
1953.07.21
申请号
CAD494715
申请日期
申请人
UNITED STATES ENVELOPE COMPANY
发明人
VINCENT E. HEYWOOD
分类号
主分类号
代理机构
代理人
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