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经营范围
发明名称
SURFACE TREATMENT
摘要
申请公布号
JPH03281773(A)
申请公布日期
1991.12.12
申请号
JP19900080764
申请日期
1990.03.30
申请人
HITACHI LTD
发明人
OHATA KOKICHI
分类号
C23C14/06;C23C14/32
主分类号
C23C14/06
代理机构
代理人
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地址
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