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发明名称
FILTER DEVICE
摘要
申请公布号
JPS6478200(A)
申请公布日期
1989.03.23
申请号
JP19870234849
申请日期
1987.09.21
申请人
NGK INSULATORS LTD
发明人
KAWADA MASAHIRO;TACHIKI KUNIO
分类号
G21F9/02;B01D46/52;G21F9/00
主分类号
G21F9/02
代理机构
代理人
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地址
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