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发明名称
Valve rotating device
摘要
申请公布号
US2664075(A)
申请公布日期
1953.12.29
申请号
US19490126324
申请日期
1949.11.09
申请人
GENERAL MOTORS CORPORATION
发明人
ZMUDA ANDREW W.
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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