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发明名称
Hydraulic-valve-operating mechanism
摘要
申请公布号
US1787120(A)
申请公布日期
1930.12.30
申请号
US19280284774
申请日期
1928.06.12
申请人
WARREN NOBLE
发明人
NOBLE WARREN
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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