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发明名称
Improvements in and relating to devices for restricting the speed of moving vehicles
摘要
申请公布号
GB828472(A)
申请公布日期
1960.02.17
申请号
GB19570014044
申请日期
1957.05.02
申请人
HADFIELDS LIMITED
发明人
STEVENSON HARRY
分类号
B61K7/20
主分类号
B61K7/20
代理机构
代理人
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