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经营范围
发明名称
PROCEDE POUR AMELIORER L'APTITUDE A L'APTITUDE A L'EMBOUTISSAGE PROFOND DES TOLES D'ACIER DOUX.
摘要
申请公布号
BE823246(A1)
申请公布日期
1975.04.01
申请号
BE19746044853
申请日期
1974.12.11
申请人
发明人
分类号
C21D8/04;C22C38/14;(IPC1-7):C22C/
主分类号
C21D8/04
代理机构
代理人
主权项
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