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发明名称
CROWN ROLL
摘要
申请公布号
JPH0195815(A)
申请公布日期
1989.04.13
申请号
JP19870254849
申请日期
1987.10.09
申请人
SUMITOMO METAL IND LTD
发明人
MASUI TAKESHI;KASEDA YOSHIYUKI;MURATA MASAKATSU
分类号
B21C47/26;B21C47/00;C21D9/56
主分类号
B21C47/26
代理机构
代理人
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地址
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