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发明名称
PISTON RING FOR INTERNAL COMBUSTION ENGINE
摘要
申请公布号
JPH02304266(A)
申请公布日期
1990.12.18
申请号
JP19890124270
申请日期
1989.05.19
申请人
RIKEN CORP
发明人
SATO YOSHINORI;INOURA YUTAKA;SATO SATORU
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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