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发明名称
Envelope opening machine
摘要
A machine for opening envelopes by heat process which have been previously treated with chemicals.
申请公布号
US4069011(A)
申请公布日期
1978.01.17
申请号
US19760680741
申请日期
1976.04.27
申请人
THOR DAHL, INC.
发明人
GUNTHER, JR., WILLIAM H.
分类号
B43M7/00;(IPC1-7):F24J3/00
主分类号
B43M7/00
代理机构
代理人
主权项
地址
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