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经营范围
发明名称
KEY DETECTOR
摘要
申请公布号
JPH05197467(A)
申请公布日期
1993.08.06
申请号
JP19920030085
申请日期
1992.01.21
申请人
CANON INC
发明人
NISHIKAWA HIROSHI
分类号
G06F3/02
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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