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发明名称
摘要
申请公布号
JP2758300(B2)
申请公布日期
1998.05.28
申请号
JP19910296770
申请日期
1991.11.13
申请人
DORYOKURO KAKUNENRYO KAIHATSU JIGYODAN;TOSHIBA KK
发明人
TOOYAMA SHINICHI;SATO ISAMU;ITO SATOSHI
分类号
H01J23/20;H01J23/34;(IPC1-7):H01J23/34
主分类号
H01J23/20
代理机构
代理人
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