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经营范围
发明名称
METHOD OF MAKING ROLL OF SPHEROIDAL GRAPHITE CAST IRON
摘要
申请公布号
JPS5342141(A)
申请公布日期
1978.04.17
申请号
JP19760115840
申请日期
1976.09.29
申请人
HITACHI METALS LTD
发明人
HIRATA KAZUO
分类号
B22D13/02;B22D27/02;B22D27/08;B22D27/20
主分类号
B22D13/02
代理机构
代理人
主权项
地址
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