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  Castle 01GA612 Sound Level Calibrator 94 dB, 104 dB, 114 dB [01GA612]; 204-1598

  Castle

  .THÔNG SỐ KỸ THUẬT: Sound Output 94 dB, 104 dB, 114 dB Accuracy ±0.4 dB Microphone Size 1 - 2in Battery Life 70 h Model Nu...

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