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经营范围
发明名称
ROLLING ROLL
摘要
申请公布号
JPS57146453(A)
申请公布日期
1982.09.09
申请号
JP19810028496
申请日期
1981.03.02
申请人
HITACHI SEISAKUSHO KK
发明人
IKUTA ISAO;ISHIHARA JIYOU;TAMAMURA TATEO;SUZUKI MITSURU;SATOU FUMIO
分类号
B22D11/06;B21B27/00;B21B27/02
主分类号
B22D11/06
代理机构
代理人
主权项
地址
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