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经营范围
发明名称
Improvements in or relating to valve gears for piston steam engines
摘要
申请公布号
GB491269(A)
申请公布日期
1938.08.30
申请号
GB19370022510
申请日期
1937.08.16
申请人
SCHWEIZERISLHE LOKOMOTIV-UND MASCHINENFABRIK
发明人
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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