Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/SU88/00112 | 5/20/1988 | 2/13/1990 | 2/13/1990 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO89/11651 | 11/30/1989 |
Number | Name | Date | Kind |
---|---|---|---|
3552191 | Heseding | Jan 1971 | |
4289030 | Alers et al. | Sep 1981 | |
4679437 | Koike et al. | Jul 1987 | |
4805459 | Ferreira | Feb 1989 |
Number | Date | Country |
---|---|---|
2840456 | Mar 1980 | DEX |
6044618 | Apr 1978 | JPX |
6042415 | Oct 1979 | JPX |
461361 | Feb 1975 | SUX |
855487 | Aug 1981 | SUX |
1067432 | Jan 1984 | SUX |
1165981 | Jul 1985 | SUX |
2151786 | Jul 1985 | GBX |
Entry |
---|
"Flaw Classification by a Spectral Division of Ultrasonic Echos", by H. Seiger and T. Wagner (Not International, vol. 16, No. 4, 8/83). |