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发明名称
Hydraulic valve mechanism
摘要
申请公布号
US1757425(A)
申请公布日期
1930.05.06
申请号
US19270182935
申请日期
1927.04.11
申请人
GENERAL MOTORS RESEARCH CORPORATION
发明人
HALLETT GEORGE E. A.
分类号
F01L9/02
主分类号
F01L9/02
代理机构
代理人
主权项
地址
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