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经营范围
发明名称
Improvements relating to tramway and other vehicle brakes
摘要
申请公布号
GB389662(A)
申请公布日期
1933.03.23
申请号
GB19320011182
申请日期
1932.04.19
申请人
JOHN GOAD SMITHSON
发明人
分类号
B60T13/74
主分类号
B60T13/74
代理机构
代理人
主权项
地址
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