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发明名称
OIL RING HAVING EXPANDER
摘要
申请公布号
JPH08338530(A)
申请公布日期
1996.12.24
申请号
JP19950145776
申请日期
1995.06.13
申请人
NIPPON PISTON RING CO LTD
发明人
HIRAISHI IWAO
分类号
F02F5/00;F16J9/06;(IPC1-7):F16J9/06
主分类号
F02F5/00
代理机构
代理人
主权项
地址
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