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发明名称
KNOWLEDGE SELF-ANALYZING DEVICE
摘要
申请公布号
PT75536(A)
申请公布日期
1982.10.01
申请号
PT19820075536
申请日期
1982.09.09
申请人
SALVAT EDITORES SA
发明人
RAMON VILA NOGUES
分类号
G09B;G09B7/00;G09B7/06;(IPC1-7):09B/
主分类号
G09B
代理机构
代理人
主权项
地址
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