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发明名称
MANUFACTURE FOR ENGINE VALVE HEAD MADE OF TITANIUM ALLOY
摘要
申请公布号
JPH039008(A)
申请公布日期
1991.01.16
申请号
JP19890143502
申请日期
1989.06.06
申请人
MITSUBISHI MATERIALS CORP
发明人
MAE YOSHIHARU;OKA TSUTOMU
分类号
F01L3/02;B22D13/00
主分类号
F01L3/02
代理机构
代理人
主权项
地址
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