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发明名称
DIVIDED ROLL
摘要
申请公布号
JPH05111745(A)
申请公布日期
1993.05.07
申请号
JP19910299590
申请日期
1991.10.21
申请人
NIPPON STEEL CORP
发明人
EKIMORI TERUMICHI
分类号
B22D11/128
主分类号
B22D11/128
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