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经营范围
发明名称
TITANIUM ALLOY VALVE HAVING SOLID SOLUTION LAYER OF OXYGEN OR NITROGEN ON SHAFT PART SURFACE
摘要
申请公布号
JPH0642318(A)
申请公布日期
1994.02.15
申请号
JP19930054244
申请日期
1993.03.15
申请人
NIPPON STEEL CORP
发明人
TAKAYAMA ISAMU
分类号
F01L3/02;(IPC1-7):F01L3/02
主分类号
F01L3/02
代理机构
代理人
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