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发明名称
DOT MATRIX PRINTING
摘要
申请公布号
GB1566024(A)
申请公布日期
1980.04.30
申请号
GB19770003702
申请日期
1977.01.28
申请人
EXTEL CORP
发明人
分类号
B41J2/485;B41J11/40;B41J19/20;G06K15/10;(IPC1-7):B41J3/12
主分类号
B41J2/485
代理机构
代理人
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