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              Reversing alarm transducer

              Pbulish:admin  time:2007年12Month07Day
               
               
              靜態(tài)電容:C0=1800±200pf
              諧振頻率:fs=40.0±0.5kHz
              帶  寬:Δf=1.0±0.2kHz
              諧振阻抗:Z0=1100±200Ω
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