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经营范围
发明名称
CHARACTER PRINT WHEEL WITH DRIVE ELEMENTS
摘要
申请公布号
GB1601728(A)
申请公布日期
1981.11.04
申请号
GB19780021580
申请日期
1978.05.23
申请人
EXXON RESEARCH & ENG CO
发明人
分类号
B41J1/30;B41J1/24;B41J29/38;H02K37/02;H02K37/08;(IPC1-7):B41J1/24
主分类号
B41J1/30
代理机构
代理人
主权项
地址
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