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发明名称
Procédé de traitement des pièces en acier dur et appareils pour la mise en oeuvrede ce procédé
摘要
申请公布号
FR919769(A)
申请公布日期
1947.03.18
申请号
FRD919769
申请日期
1946.01.07
申请人
发明人
RIPOCHE CHRISTIAN-ANDRE-MAUR
分类号
C21D1/34
主分类号
C21D1/34
代理机构
代理人
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地址
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