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发明名称
An improved method and means of route identification or indication for vehicles
摘要
申请公布号
GB412257(A)
申请公布日期
1934.06.22
申请号
GB19320036267
申请日期
1932.12.22
申请人
ROBERT KIRK MANSON;SAMUEL GILCHRIST
发明人
分类号
G01C22/00
主分类号
G01C22/00
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