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发明名称
RAILWAY HAND BRAKE
摘要
申请公布号
CA319979(A)
申请公布日期
1932.02.23
申请号
CAD319979
申请日期
申请人
W. H. MINER
发明人
STACY B. HASELTINE
分类号
主分类号
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代理人
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