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发明名称
Admission valve for two cycle engines
摘要
申请公布号
US1820093(A)
申请公布日期
1931.08.25
申请号
US19300494389
申请日期
1930.11.03
申请人
SEIFERT CHARLES H
发明人
SEIFERT CHARLES H.
分类号
F01L7/06
主分类号
F01L7/06
代理机构
代理人
主权项
地址
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