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发明名称
Valve mechanism for internal-combustion engines
摘要
申请公布号
US1749496(A)
申请公布日期
1930.03.04
申请号
US19270187263
申请日期
1927.04.28
申请人
BERNARD HENRY MASON
发明人
MASTERS MARION GASKELL
分类号
F01L1/12
主分类号
F01L1/12
代理机构
代理人
主权项
地址
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