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经营范围
发明名称
STEEL SURFACE HARDENING TREATMENT
摘要
申请公布号
JPS5419434(A)
申请公布日期
1979.02.14
申请号
JP19770083577
申请日期
1977.07.14
申请人
SHINEI NETSUKEISOU KK
发明人
SUGIMOTO YOSHIMASA
分类号
C23C8/38
主分类号
C23C8/38
代理机构
代理人
主权项
地址
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