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发明名称
Valve rotator
摘要
申请公布号
US2835236(A)
申请公布日期
1958.05.20
申请号
US19540416529
申请日期
1954.03.16
申请人
GENERAL MOTORS CORPORATION
发明人
DADD MORRIS V.
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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