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经营范围
发明名称
SURFACE HARDENING METHOD OF IRONNBASE BASE MATERIAL
摘要
申请公布号
JPS55134109(A)
申请公布日期
1980.10.18
申请号
JP19790040530
申请日期
1979.04.04
申请人
NIPPON TUNGSTEN
发明人
SAKAGUCHI SHIGEYA;MIHASHI YASUROU;ITOU HIROSHI
分类号
B22F7/04;B22F3/26
主分类号
B22F7/04
代理机构
代理人
主权项
地址
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