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发明名称
Improvements in and relating to the seating means for the rotary valves of internal combustion engines
摘要
申请公布号
GB497523(A)
申请公布日期
1938.12.21
申请号
GB19380007654
申请日期
1938.03.11
申请人
ALFRED BAER
发明人
分类号
F01L7/16
主分类号
F01L7/16
代理机构
代理人
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