Number | Date | Country | Kind |
---|---|---|---|
3-323795 | Nov 1991 | JPX | |
4-047884 | Feb 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4158239 | Bertin | Jun 1979 | |
4175290 | Harari | Nov 1979 | |
4653025 | Minato | Mar 1987 | |
4890148 | Ikeda | Dec 1989 | |
5132771 | Yamanaka | Jul 1992 |
Entry |
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IBM Technical Disclosure Bulletin vol. 22 No. 1 Jun. '79. |