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发明名称
Locomotive valve gear
摘要
申请公布号
US2338589(A)
申请公布日期
1944.01.04
申请号
US19410419843
申请日期
1941.11.21
申请人
THOMAS KNOWLES LOUIS
发明人
KNOWLES LOUIS THOMAS
分类号
F01L31/16
主分类号
F01L31/16
代理机构
代理人
主权项
地址
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