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经营范围
发明名称
Improvements in or relating to nodular iron
摘要
申请公布号
GB734953(A)
申请公布日期
1955.08.10
申请号
GB19520031380
申请日期
1952.12.11
申请人
ALLIS-CHALMERS MANUFACTURING COMPANY
发明人
分类号
C21C1/10;C21C7/00;C22C37/04
主分类号
C21C1/10
代理机构
代理人
主权项
地址
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