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发明名称
PISTON RING
摘要
申请公布号
JPS6421269(A)
申请公布日期
1989.01.24
申请号
JP19870176669
申请日期
1987.07.15
申请人
RIKEN CORP
发明人
SHINADA MANABU
分类号
F16J9/26;C25D15/02;F02F5/00
主分类号
F16J9/26
代理机构
代理人
主权项
地址
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