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发明名称
Improvements in and relating to valve gears for engines
摘要
申请公布号
GB639042(A)
申请公布日期
1950.06.21
申请号
GB19450027587
申请日期
1945.10.19
申请人
WILHELMUS ALOYSIUS HATTINK
发明人
分类号
F01L13/00
主分类号
F01L13/00
代理机构
代理人
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