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发明名称
Improvements in or relating to admission and compression regulating means for steam engines with gearless slide valves
摘要
申请公布号
GB333947(A)
申请公布日期
1930.08.25
申请号
GB19290016199
申请日期
1929.05.25
申请人
FRITZ TOLKIEN
发明人
分类号
F01L31/16
主分类号
F01L31/16
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