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发明名称
BLACK CIRCLE EXTRACTING METHOD
摘要
申请公布号
JPH02264376(A)
申请公布日期
1990.10.29
申请号
JP19890086063
申请日期
1989.04.05
申请人
RICOH CO LTD
发明人
KANEHARA HIROYUKI
分类号
G06T7/60;(IPC1-7):G06F15/70
主分类号
G06T7/60
代理机构
代理人
主权项
地址
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