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发明名称
PRINTED BOARD CAD SYSTEM
摘要
申请公布号
JPH02139670(A)
申请公布日期
1990.05.29
申请号
JP19880292301
申请日期
1988.11.21
申请人
HITACHI LTD
发明人
KIRIHARA SHIGEKI;FUKUSHIMA HIROSHI;ITAGAKI KIKUO
分类号
G06F17/50
主分类号
G06F17/50
代理机构
代理人
主权项
地址
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