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发明名称
摘要
申请公布号
JPH0789160(B2)
申请公布日期
1995.09.27
申请号
JP19870278331
申请日期
1987.11.05
申请人
发明人
分类号
G21F9/30;E04G23/08;G21F9/00;G21F9/28;(IPC1-7):G21F9/28
主分类号
G21F9/30
代理机构
代理人
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