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发明名称
BACK-UP DEVICE FOR PRODUCTION OF DOCUMENT
摘要
申请公布号
JPH0251768(A)
申请公布日期
1990.02.21
申请号
JP19880202452
申请日期
1988.08.13
申请人
CANON INC
发明人
TABUKI MASUMI
分类号
G06F17/21
主分类号
G06F17/21
代理机构
代理人
主权项
地址
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