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发明名称
Valve mechanism
摘要
申请公布号
US2993488(A)
申请公布日期
1961.07.25
申请号
US19590825614
申请日期
1959.07.07
申请人
STEC CHARLES L
发明人
STEC CHARLES L.
分类号
F01L5/02
主分类号
F01L5/02
代理机构
代理人
主权项
地址
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