Title:
アーク式電気炉用黒鉛電極の酸化防止方法
Document Type and Number:
Japanese Patent JP4169844
Kind Code:
B2
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Inventors:
Kiyoshi Onoyama
Kusano Kaoru
Kusano Kaoru
Application Number:
JP34314298A
Publication Date:
October 22, 2008
Filing Date:
December 02, 1998
Export Citation:
Assignee:
Sofu Industry Co., Ltd.
International Classes:
H01T13/39; H05B7/085; C04B41/50; C04B41/87; C09K15/02; F27B3/08; F27D11/08; F27D11/10
Domestic Patent References:
| JP97759A | ||||
| JP5951499A | ||||
| JP8296979A | ||||
| JP62168388A | ||||
| JP5761090B2 |
Attorney, Agent or Firm:
Kazuo Sato
Nozomi Michio
Yukitaka Nakamura
Nozomi Michio
Yukitaka Nakamura