Number | Name | Date | Kind |
---|---|---|---|
3258724 | Walsh et al. | Jun 1966 | |
3638148 | Hallford et al. | Jan 1972 | |
3870974 | Ohlstein et al. | Mar 1975 |
Entry |
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Southworth-"Principles and Applications of Waveguide Transmission", D. Van Nostrand, New York, 1961; pp. 131-136. |