Number | Date | Country | Kind |
---|---|---|---|
8473/78 | Aug 1978 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
2508335 | Moyle et al. | May 1950 | |
2628249 | Bruno | Feb 1953 | |
3510500 | Walsh | May 1970 | |
3669998 | Munekata et al. | Jun 1972 | |
3673237 | Janlak | Jun 1972 | |
3732264 | Baum et al. | May 1973 | |
3873586 | Henrick | Mar 1975 | |
3926644 | Kaye | Dec 1975 | |
4130659 | Kijima et al. | Dec 1978 |
Entry |
---|
J. Sci. Res. Inst. 46, 113-115 (1952)--Sakai et al. |
J. Sci. Res. Inst. 48, 38-48 (1954)--Sakai et al. |