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发明名称
Procédé et dispositif pour la trempe de pièces profilées
摘要
申请公布号
FR835224(A)
申请公布日期
1938.12.15
申请号
FRD835224
申请日期
1938.03.14
申请人
BOCHUMER VEREIN FU:R GUSZSTAHLFABRIKATION AKTIENGESELLSCHAFT
发明人
分类号
C21D9/34
主分类号
C21D9/34
代理机构
代理人
主权项
地址
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