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发明名称
Hand brake
摘要
申请公布号
US1935374(A)
申请公布日期
1933.11.14
申请号
US19300445086
申请日期
1930.04.17
申请人
RAILWAY DEVICES COMPANY
发明人
PIETZSCH FRANK H.
分类号
B61H13/02
主分类号
B61H13/02
代理机构
代理人
主权项
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