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发明名称
Valve stem seal
摘要
申请公布号
US2497008(A)
申请公布日期
1950.02.07
申请号
US19460705108
申请日期
1946.10.23
申请人
CONSTANTINE MELIDONI
发明人
MELIDONI CONSTANTINE
分类号
F01L3/08;F16K41/00
主分类号
F01L3/08
代理机构
代理人
主权项
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