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发明名称
Engine valve
摘要
申请公布号
US1750995(A)
申请公布日期
1930.03.18
申请号
US19270190190
申请日期
1927.05.10
申请人
EDWARDS LEWIS E
发明人
EDWARDS LEWIS E.
分类号
F01L1/32
主分类号
F01L1/32
代理机构
代理人
主权项
地址
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