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发明名称
Improvements in sealing rings for sleeve valves or pistons of internal-combustion engines
摘要
申请公布号
GB484931(A)
申请公布日期
1938.05.12
申请号
GB19360031988
申请日期
1936.11.23
申请人
ARTHUR JOHN ROWLEDGE
发明人
分类号
F16J9/24
主分类号
F16J9/24
代理机构
代理人
主权项
地址
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