Title:
【発明の名称】アーク加熱炉の黒鉛電極冷却装置
Document Type and Number:
Japanese Patent JP3102255
Kind Code:
B2
Inventors:
Norio Ao
Application Number:
JP6730994A
Publication Date:
October 23, 2000
Filing Date:
April 05, 1994
Export Citation:
Assignee:
Nippon Steel Tube Co., Ltd.
International Classes:
H05B7/12; F27B3/08; F27D1/12; F27D11/08; (IPC1-7): H05B7/12
Domestic Patent References:
| JP5819892A | ||||
| JP58126694A | ||||
| JP5940491A |
Attorney, Agent or Firm:
Shigeru Takano