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发明名称
Locomotive valve and valve gear, including separate intake and exhaust valves and separate actuating mechanisms therefor in a single valve chest
摘要
申请公布号
US2593951(A)
申请公布日期
1952.04.22
申请号
US19460702817
申请日期
1946.10.11
申请人
PAUL WILLIS
发明人
WILLIS PAUL
分类号
B61C17/12
主分类号
B61C17/12
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代理人
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地址
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