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经营范围
发明名称
ERROR DETECTION SYSTEM
摘要
申请公布号
JPS6337870(A)
申请公布日期
1988.02.18
申请号
JP19860177745
申请日期
1986.07.30
申请人
RICOH CO LTD
发明人
KADOKAWA YUICHI
分类号
G11B20/12;G11B20/18
主分类号
G11B20/12
代理机构
代理人
主权项
地址
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