Number | Date | Country | Kind |
---|---|---|---|
54-36691 | Mar 1979 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3835246 | Muller et al. | Sep 1974 | |
4039829 | Kato et al. | Aug 1977 | |
4206349 | Kamimura | Jun 1980 |
Number | Date | Country |
---|---|---|
53-47262 | Apr 1978 | JPX |
Entry |
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Tektronis Products, 1976-pp. 74-75-Tektronis Inc. |