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发明名称
Geographical area guiding maps
摘要
申请公布号
GB1012769(A)
申请公布日期
1965.12.08
申请号
GB19620037937
申请日期
1962.10.08
申请人
JOSEPH SHAPIRO
发明人
分类号
G09B29/02
主分类号
G09B29/02
代理机构
代理人
主权项
地址
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