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发明名称
Poppet valve
摘要
申请公布号
US1756337(A)
申请公布日期
1930.04.29
申请号
US19280268947
申请日期
1928.04.10
申请人
THOMAS BOWLER
发明人
BOWLER THOMAS
分类号
F01L3/22
主分类号
F01L3/22
代理机构
代理人
主权项
地址
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