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发明名称
Rotary valve for internal combustion engines
摘要
申请公布号
US2137129(A)
申请公布日期
1938.11.15
申请号
US19370173684
申请日期
1937.11.09
申请人
JOHN BROWN;EDWARD BROWN
发明人
BROWN JOHN;BROWN EDWARD
分类号
F01L7/02;F01L7/16
主分类号
F01L7/02
代理机构
代理人
主权项
地址
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