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发明名称
VALVE SEAT OF INTERNAL COMBUSTION ENGINE
摘要
申请公布号
JPH05332106(A)
申请公布日期
1993.12.14
申请号
JP19920138441
申请日期
1992.05.29
申请人
NISSAN MOTOR CO LTD
发明人
MATOBA MASASHI
分类号
B23K20/08;F01L3/22;(IPC1-7):F01L3/22
主分类号
B23K20/08
代理机构
代理人
主权项
地址
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