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发明名称
Improvements in and relating to displaying road maps, charts and similar articles
摘要
申请公布号
GB532405(A)
申请公布日期
1941.01.23
申请号
GB19390024777
申请日期
1939.08.29
申请人
WILLIAM HAIG-FERGUSON;CARMI HAIG-FERGUSON;JOSEPH STEWART NICOLL
发明人
分类号
G09B29/06
主分类号
G09B29/06
代理机构
代理人
主权项
地址
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