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发明名称
ENVELOPE OPENING PROCESS
摘要
申请公布号
US4082603(A)
申请公布日期
1978.04.04
申请号
US19750599596
申请日期
1975.07.28
申请人
THOR DAHL, INC.
发明人
MCPHERSON, JOHN B.;GUNTHER, JR., WILLIAM H.
分类号
B43M7/00;(IPC1-7):B44C1/22
主分类号
B43M7/00
代理机构
代理人
主权项
地址
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