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Description |
Cross-coupled filter in waveguide, described by the inventor as "paralleled resonator transducers". |
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Source | |
Date |
4th May 1948 (filed) |
Author | |
Permission (Reusing this file) |
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current | 17:08, 22 April 2013 | 939 × 572 (224 KB) | Spinningspark (talk | contribs) | {{Information |Description=Cross-coupled filter in waveguide, described by the inventor as "paralleled resonator transducers". |Source=US patent US2626990 |Date=4th May 1948 (filed) |Author=John R. Pierce |other_versions= }} == Licensing == {{PD-U... |
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