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发明名称
SETT ATT FRAMSTELLA STAL I VAKUUMRAFFINERINGSUGN
摘要
A method for producing an extremely low carbon and nitrogen steel in a vacuum refining apparatus by effectively preventing air-leaks from the furnace tank, so as to lowering the nitrogen partial pressure within the tank.
申请公布号
SE403494(B)
申请公布日期
1978.08.21
申请号
SE19740016056
申请日期
1974.12.19
申请人
* NIPPON STEEL CORP
发明人
H * KATAYAMA;M * INATOMI
分类号
C21C7/00;C21C7/10;(IPC1-7):21C7/10
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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