Title:
部分還元鉄の製造方法及び部分還元鉄製造用竪型シャフト炉
Document Type and Number:
Japanese Patent JP4214111
Kind Code:
B2
Inventors:
Makoto Naito
Shimizu Masanori
Shimizu Masanori
Application Number:
JP2004373124A
Publication Date:
January 28, 2009
Filing Date:
December 24, 2004
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C21B13/02; F27B1/08; F27B1/20; F27B1/21; F27D3/10; F27D9/00; F27D13/00; F27D17/00
Domestic Patent References:
| JP49027482B1 | ||||
| JP62081486A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nagasaka Tomoyasu
Masaya Nishiyama
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nagasaka Tomoyasu
Masaya Nishiyama