Number | Date | Country | Kind |
---|---|---|---|
93 10055 | Aug 1993 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
2216544 | True et al. | Oct 1940 | |
3054162 | Amtmann | Sep 1962 | |
4944808 | Sugiyama et al. | Jul 1990 | |
4986291 | Hula et al. | Jan 1991 |
Number | Date | Country |
---|---|---|
2051205 | Apr 1972 | DEX |
86882 | Apr 1988 | JPX |
520129 | Apr 1940 | GBX |
2111084 | Jun 1983 | GBX |
Entry |
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"Pickling Method for Metal Strip" Patent Abstracts of Japan, vol. 11, No. 316 (M-631) 1987 & JP-A-62 101 317 (Nippon Steel). Oct. 14, 1987. |
"Descaling Method for Hot Rolling Steel Strip" Patent Abstracts of Japan, vol. 11, No. 210 (M-604) 1987 & JP-A-62 028 020 (Sumitomo Metal Ind.) Jul. 8, 1987. |