Number | Date | Country | Kind |
---|---|---|---|
62-234828 | Sep 1987 | JPX | |
62-277445 | Nov 1987 | JPX | |
62-305656 | Dec 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3265964 | Hunsaker | Aug 1966 | |
3528001 | Yntema | Sep 1970 | |
4460869 | Buser et al. | Jul 1984 | |
4556846 | D'Hondt | Dec 1985 | |
4692701 | Dundas et al. | Sep 1987 | |
4746858 | Metala et al. | May 1988 | |
4821204 | Huschelrath | Apr 1989 | |
4827217 | Paulson | May 1989 |
Number | Date | Country |
---|---|---|
3516214 | Nov 1985 | DEX |
61981 | May 1979 | JPX |
141653 | May 1980 | JPX |
168545 | Dec 1981 | JPX |
108970 | Jun 1984 | JPX |
28859 | Aug 1986 | JPX |
241348 | Oct 1988 | JPX |
Entry |
---|
Mikheev et al, "An Instrument for Nondestructive Magnetic Testing---of Constructional and Straight Carbon Steels", Soviet Jour. of Nondestr. Testing (U.S.A.), vol. 16, No. 2 (Feb. 1980) pp. 90-93. |