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经营范围
发明名称
FILTER DEVICE
摘要
申请公布号
JPS6320012(A)
申请公布日期
1988.01.27
申请号
JP19860164710
申请日期
1986.07.15
申请人
NGK INSULATORS LTD
发明人
OKAMOTO MAGOJI;HIRAKI AKIMITSU
分类号
G21F9/06;B01D29/00;B01D29/07;B01D29/11;B01D39/20;C04B38/00;G21F9/00
主分类号
G21F9/06
代理机构
代理人
主权项
地址
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