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发明名称
Rotary spherical internal combustion engine valve
摘要
申请公布号
US2725043(A)
申请公布日期
1955.11.29
申请号
US19510233351
申请日期
1951.06.25
申请人
BACOT JAMES L
发明人
BACOT JAMES L.
分类号
F01L7/10
主分类号
F01L7/10
代理机构
代理人
主权项
地址
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