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发明名称
Valve rotative
摘要
申请公布号
FR693466(A)
申请公布日期
1930.11.20
申请号
FRD693466
申请日期
1930.04.07
申请人
发明人
HOLMES FREDERICK J.
分类号
F01L7/02;F01L7/16
主分类号
F01L7/02
代理机构
代理人
主权项
地址
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