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发明名称
Perfectionnements aux traitements thermiques superficiels par induction électromagnétique
摘要
申请公布号
FR942688(A)
申请公布日期
1949.02.15
申请号
FRD942688
申请日期
1947.03.05
申请人
REGIE NATIONALE DES USINES RENAULT
发明人
分类号
C21D1/10
主分类号
C21D1/10
代理机构
代理人
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地址
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