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经营范围
发明名称
Procédé de traitement thermique pour aciers de construction et aciers à outils
摘要
申请公布号
FR899405(A)
申请公布日期
1945.05.30
申请号
FRD899405
申请日期
1943.11.04
申请人
OBERHU:TTEN VEREINIGTE OBERSCHLESISCHE HU:TTENWERKE A. G.
发明人
分类号
C21D1/02;D21H17/60
主分类号
C21D1/02
代理机构
代理人
主权项
地址
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