长期仪器
Precision for ± the machine of 0.5% uses single-phase wattmeterPower of the voltage of broad frequency band of 10Hz ~ 20kHz, electric current, have rendered great service, at the same time imitate out
地址:深圳市福田区华强北路30号华强电子世界
联系人:蔡毅
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email:lscaiyi@gmail.com