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EP Citations: EP0768392

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Type:Patent literature
Publication No.:JPS6451390  [X]
 ;
Type:Patent literature
Publication No.:EP0417948  [X]
 (NIPPON STEEL CORP [JP], et al) [X] 1,12-14 * page 3, line 22 - line 52; figures 1,2 *;
Type:Patent literature
Publication No.:JPS6077195  [A]
Type:Non-patent literature
Publication information:[X]  - PATENT ABSTRACTS OF JAPAN, (19890606), vol. 013, no. 241, Database accession no. (C - 604), & JP01051390 A 19890227 (CHICHIBU CEMENT CO LTD) [X] 1,12-14 * abstract *
Type:Non-patent literature
Publication information:[A]  - PATENT ABSTRACTS OF JAPAN, (19850829), vol. 009, no. 211, Database accession no. (C - 300), & JP60077195 A 19850501 (KOGYO GIJUTSUIN;OTHERS: 0J) [A] * abstract *