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发明名称
METHOD OF AND APPARATUS FOR EXTRACTING IMAGE CONTOUR DATA
摘要
申请公布号
US5119439(A)
申请公布日期
1992.06.02
申请号
US19910645910
申请日期
1991.01.25
申请人
DAINIPPON SCREEN MFG. CO., LTD.
发明人
OSAWA, IKUO;NAKAGAWA, HARUO;KOHNO, HIROFUMI
分类号
G03F1/00;G06K9/22;G06K9/46;G06K9/48;G06T5/00;G06T7/60
主分类号
G03F1/00
代理机构
代理人
主权项
地址
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