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发明名称
STEEL PISTON RING FOR INTERNAL COMBUSTION ENGINE
摘要
申请公布号
JPH0285571(A)
申请公布日期
1990.03.27
申请号
JP19880236963
申请日期
1988.09.21
申请人
RIKEN CORP
发明人
SHINADA MANABU
分类号
F02F5/00;F16J9/26
主分类号
F02F5/00
代理机构
代理人
主权项
地址
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