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发明名称
摘要
申请公布号
JP2772827(B2)
申请公布日期
1998.07.09
申请号
JP19890177655
申请日期
1989.07.10
申请人
发明人
分类号
G21F9/06;G21F9/12;(IPC1-7):G21F9/06
主分类号
G21F9/06
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代理人
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