WO9103844-A  Patent Abstracts of Japan, Band 11, Nr. 254 (E-533)(2701), 18 August 1987; & JP-A-6264067 (BABCOCK HITACHI K.K.), 20. Maerz 1987;  Patent Abstracts of Japan, Band 12, Nr. 335 (E-656)(3182), 9. September 1988; & JP-A-6396870 (HITACHI LTD), 27. April 1988;  Patent Abstracts of Japan, Band 12, Nr. 369 (E-665)(3216), 4. Oktober 1988; & JP-A-63121266 (KOBE STEEL LTD), 25. Mai 1988;  Patent Abstracts of Japan, Band 13, Nr. 16 (E-703)(3364), 13. Januar 1989; & JP-A-63221561 (TOSIHIBA CORP.) 14. September 1988;  Patent Abstracts of Japan, Band 13, Nr. 31 (E-707)(3379), 24. Januar 1989; & JP-A-63232274 (HITACHI LTD), 28. September 1988;  Patent Abstracts of Japan, Band 13, Nr. 5 (E-701)(3353), 9. Januar 1989; & JP-A-63216270 (MITSUBISHI HEAVY IND LTD), 8. September 1988;  Patent Abstracts of Japan, Band 7, Nr. 49 (E-161) (1194), 25. Februar 1983; & JP-A-57199183 (MITSUI TOATSU KAGAKU K.K.) 7. Dezember 1982;  Patent Abstracts of Japan, Band 11, Nr. 254 (E-533)(2701), 18 August 1987;&JP-A-6264067 (BABCOCK HITACHI K.K.), 20. M{rz 1987;  Patent Abstracts of Japan, Band 13, Nr. 16 (E-703)(3364), 13. Januar 1989;&JP-A-63221561 (TOSIHIBA CORP.) 14. September 1988;  Patent Abstracts of Japan, Band 12, Nr. 335 (E-656)(3182), 9. September 1988;&JP-A-6396870 (HITACHI LTD), 27. April 1988;  Patent Abstracts of Japan, Band 13, Nr. 31 (E-707)(3379), 24. Januar 1989;&JP-A-63232274 (HITACHI LTD), 28. September 1988;  Patent Abstracts of Japan, Band 7, Nr. 49 (E-161) (1194), 25. Februar 1983;&JP-A-57199183 (MITSUI TOATSU KAGAKU K.K.) 7. Dezember 1982;  Patent Abstracts of Japan, Band 12, Nr. 369 (E-665)(3216), 4. Oktober 1988;&JP-A-63121266 (KOBE STEEL LTD), 25. Mai 1988;  Patent Abstracts of Japan, Band 13, Nr. 5 (E-701)(3353), 9. Januar 1989;&JP-A-63216270 (MITSUBISHI HEAVY IND LTD), 8. September 1988;  Patent Abstracts of Japan, Band 11, Nr. 254 (E-533)(2701), 18 August 1987; & JP-A-6264067 (BABCOCK HITACHI K.K.), 20. M{rz 1987EP490925-B1  PATENT ABSTRACTS OF JAPAN, Band 11, Nr. 254 (E-533)(2701), 18/08/1987;  PATENT ABSTRACTS OF JAPAN, Band 12, Nr. 335 (E-656)(3182), 09/09/1988;  PATENT ABSTRACTS OF JAPAN, Band 12, Nr. 369 (E-665)(3216), 04/10/1988;  PATENT ABSTRACTS OF JAPAN, Band 13, Nr. 16 (E-703)(3364), 13/01/1989;  PATENT ABSTRACTS OF JAPAN, Band 13, Nr. 31 (E-707)(3379), 24/01/1989;  PATENT ABSTRACTS OF JAPAN, Band 13, Nr. 5 (E-701)(3353), 09/01/1989;  PATENT ABSTRACTS OF JAPAN, Band 7, Nr. 49 (E-161)(1194), 25/02/1983