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经营范围
发明名称
Procédé de fabrication de fils à ressorts en aciers réfractaires
摘要
申请公布号
FR1378589(A)
申请公布日期
1964.11.13
申请号
FR19630958588
申请日期
1963.12.27
申请人
FIRMA JOH. PENGG
发明人
分类号
C21D8/06;C21D9/02
主分类号
C21D8/06
代理机构
代理人
主权项
地址
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