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发明名称
DUAL LEVEL RIBBON CARTRIDGE
摘要
申请公布号
GB1554177(A)
申请公布日期
1979.10.17
申请号
GB19760045646
申请日期
1976.11.03
申请人
XEROX CORP
发明人
分类号
B41J32/00;B41J33/16;(IPC1-7):B65H75/18
主分类号
B41J32/00
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