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经营范围
发明名称
LINE ELEMENT DIRECTION EXTRACTING CIRCUIT
摘要
申请公布号
JPH04115374(A)
申请公布日期
1992.04.16
申请号
JP19900235319
申请日期
1990.09.05
申请人
NEC CORP
发明人
SASE SHINJI
分类号
G06K9/46;G06T7/60
主分类号
G06K9/46
代理机构
代理人
主权项
地址
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