Number | Date | Country | Kind |
---|---|---|---|
93105837 | Apr 1993 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
3825854 | Pichal | Jul 1974 | |
4276514 | Huang | Jun 1981 | |
4491802 | Uchida et al. | Jan 1985 |
Number | Date | Country |
---|---|---|
1494208 | Jul 1989 | SUX |
Entry |
---|
K. I. Zapodovnikov, Instruments and Experimental Techniques, Sep. 1986, pp. 1108-1110, vol. 29, No. 5, Part 1, New York, N.Y., USA. |