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发明名称
Improvements in or relating to registration number plates for vehicles
摘要
申请公布号
GB513330(A)
申请公布日期
1939.10.10
申请号
GB19380010312
申请日期
1938.04.04
申请人
DAVID ALBERT VICTOR RIST;ARTHUR CHARLES DOO
发明人
分类号
G09F13/16
主分类号
G09F13/16
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