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发明名称
Brake-shoe with electro-mechanical control for the braking of waggons of shunting tracks
摘要
申请公布号
GB338401(A)
申请公布日期
1930.11.20
申请号
GB19290037988
申请日期
1929.12.11
申请人
FERNAND DELOISON
发明人
分类号
B61K7/02
主分类号
B61K7/02
代理机构
代理人
主权项
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