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020 _a08900060991
041 _aeng
082 _a621.3887
100 _aMATTHAEI, GEORGE L.
245 0 _aMICROWAVE FILTERS IMPEDANCE-MATEHING NETWORKS AND COUPLING STRUCTURES
250 _a1ST ED.
260 _aEstados Unidos
_bARTECH
_c1980
260 _aS.L.
300 _a1096
942 _c01
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999 _c208314
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