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WORKING TREK HIGH VOLTAGE POWER AMPLIFIER. MODEL 601B-4.
Trek Model 341 +- 20KV Auto Bi-Polar ESVM 341-G Electrostatic Voltmeter
$1989.00
Trek Model 368A-L-CE Electrostatic Voltmeter
$28.99
Trek Model 668A HV Reference / Power Supply High Voltage
$1299.99
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