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发明名称
Speed and cut-off indicator for locomotives
摘要
申请公布号
US2099101(A)
申请公布日期
1937.11.16
申请号
US19340745863
申请日期
1934.09.28
申请人
WILLIAM BELL WAIT
发明人
PORSKIEVIES ANTHONY J.
分类号
B61C17/12
主分类号
B61C17/12
代理机构
代理人
主权项
地址
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