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经营范围
发明名称
Automatic brake for railway trains
摘要
申请公布号
US2041603(A)
申请公布日期
1936.05.19
申请号
US19290377290
申请日期
1929.07.10
申请人
PAUL HALLOT
发明人
HALLOT PAUL
分类号
B60T8/32
主分类号
B60T8/32
代理机构
代理人
主权项
地址
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