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发明名称
GAS FLOW PASSAGE CHANGEOVER DEVICE
摘要
申请公布号
EP0440821(A4)
申请公布日期
1992.11.19
申请号
EP19900912948
申请日期
1990.08.31
申请人
NIKKISO CO., LTD.
发明人
TAKEUCHI, MINORU NIKKISO COMPANY LIMITED
分类号
G01N15/08;(IPC1-7):G01N15/08
主分类号
G01N15/08
代理机构
代理人
主权项
地址
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