Number | Date | Country | Kind |
---|---|---|---|
57-39432 | Mar 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4141731 | Jarsen | Feb 1979 | |
4188240 | Yoshio | Feb 1980 |
Number | Date | Country |
---|---|---|
0022313 | Jan 1981 | EPX |
0058496 | Aug 1982 | EPX |
2061595 | May 1981 | GBX |
Entry |
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"Optical Disk Systems Emerge" IEEE Spectrum, vol. 15, No. 8, pp. 20-28, Aug. 1978, Bartolini et al. |