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发明名称
Improvements in track brakes
摘要
申请公布号
GB614641(A)
申请公布日期
1948.12.20
申请号
GB19460021421
申请日期
1946.07.17
申请人
PETER MADSEN
发明人
分类号
B61H7/02;B61H7/08
主分类号
B61H7/02
代理机构
代理人
主权项
地址
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