Number | Date | Country | Kind |
---|---|---|---|
55-157008 | Nov 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3909610 | Kokubo | Sep 1975 | |
4068123 | Kokubo | Jan 1978 | |
4109168 | Raymond | Aug 1978 |
Entry |
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Circuit Design Idea Handbook, Ed. Bill Furlow, Halliday _Lithograph Corp., 1974. |