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发明名称
摘要
申请公布号
JPS6357760(B2)
申请公布日期
1988.11.14
申请号
JP19800010084
申请日期
1980.02.01
申请人
HITACHI LTD
发明人
KATAYANAGI DAIJIRO
分类号
G21C17/00;G21C17/10
主分类号
G21C17/00
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