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发明名称
Improvements relating to vacuum brake apparatus for railway and like vehicles
摘要
申请公布号
GB351860(A)
申请公布日期
1931.07.02
申请号
GB19300030980
申请日期
1930.10.16
申请人
SAMUEL THOMAS GRESHAM
发明人
分类号
B60T13/46
主分类号
B60T13/46
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代理人
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