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发明名称
DIFFERENTIAL PRESSURE SEALING METHOD
摘要
申请公布号
JPH02138467(A)
申请公布日期
1990.05.28
申请号
JP19890137365
申请日期
1989.06.01
申请人
NIPPON STEEL CORP
发明人
ISHIKAWA YOSHIYASU;OKAGO HARUHITO;OKAMOTO MANABU;NAGASHIMA SHOJI
分类号
C23C14/56
主分类号
C23C14/56
代理机构
代理人
主权项
地址
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