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发明名称
UPPER LUBRICATION PISTON-RING AND METHOD FOR INCREASING THE LIFE AND EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE
摘要
申请公布号
HU9702382(D0)
申请公布日期
1998.03.02
申请号
HU19970002382
申请日期
1997.12.10
申请人
VOEROES,JANOS;VOEROES,VILMOS
发明人
VOEROES,JANOS;VOEROES,VILMOS
分类号
F01M9/00;F01P3/00;F16J9/00
主分类号
F01M9/00
代理机构
代理人
主权项
地址
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