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经营范围
发明名称
Improvements in and relating to maps, plans, street guides and the like
摘要
申请公布号
GB758356(A)
申请公布日期
1956.10.03
申请号
GB19530016590
申请日期
1953.06.16
申请人
ROBERT FERGUSON
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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