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发明名称
Speedometer drive
摘要
申请公布号
GB350524(A)
申请公布日期
1931.06.08
申请号
GB19300007482
申请日期
1930.03.07
申请人
DOUGLAS MOTORS LIMITED;FREDERICK WILLIAM DIXON
发明人
分类号
B60Q1/54
主分类号
B60Q1/54
代理机构
代理人
主权项
地址
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