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发明名称
Improvements in valves for internal combustion engines
摘要
申请公布号
GB359715(A)
申请公布日期
1931.10.29
申请号
GB19300032083
申请日期
1930.10.25
申请人
PHILIP FRANCIS ODDIE
发明人
分类号
F01L1/30
主分类号
F01L1/30
代理机构
代理人
主权项
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