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发明名称
摘要
申请公布号
JP3090730(B2)
申请公布日期
2000.09.25
申请号
JP19910234789
申请日期
1991.09.13
申请人
发明人
分类号
G21C17/02;G21C19/307;G21D1/02;G21D3/00;(IPC1-7):G21D3/00
主分类号
G21C17/02
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