Number | Date | Country | Kind |
---|---|---|---|
59-94876[U] | Jun 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3737812 | Gaudio et al. | Jun 1973 | |
4458222 | Herstein et al. | Jul 1984 |
Entry |
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Matthaei et al., Microwave Filters, Impedance-Matching Networks and Coupling Structures, McGraw-Hill, N.Y., 1964, p. 363 cited. |