Number | Date | Country | Kind |
---|---|---|---|
3-293417 | Nov 1991 | JPX | |
3-293418 | Nov 1991 | JPX | |
3-293419 | Nov 1991 | JPX | |
3-293420 | Nov 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3735893 | Gayner et al. | May 1973 | |
3753847 | Gayner et al. | Aug 1973 | |
3762598 | Gayner et al. | Oct 1973 | |
3765561 | Hekal et al. | Oct 1973 | |
3857973 | McKee et al. | Dec 1974 | |
3996867 | Taniuchi | Dec 1976 | |
4403710 | Hirota et al. | Sep 1983 | |
4428494 | Hirota et al. | Jan 1984 | |
4773558 | Taira et al. | Sep 1988 | |
4828136 | Kawahara et al. | May 1989 | |
5147058 | Seconde 220270 | Sep 1992 |
Number | Date | Country |
---|---|---|
0425401 | May 1991 | EPX |
3836858 | May 1990 | DEX |
2269454 | Nov 1975 | FRX |
55-70434 | May 1980 | JPX |
57-175034 | Oct 1982 | JPX |
Entry |
---|
Database WPIL Week 8951, Derwent Publications, Ltd., London, GB; AN89-373385. |
Database WPIL JP-A-1 278 340 (Kobe Steel) 8 Nov. 1989. |