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一九八九年九月,上海超声波仪器厂又推出三项新产品。即超声波定位控制器通过了样机鉴定;CCH-16A型超声波测厚仪和CTZ-1型超声波多普勒听诊器通过了技术鉴定。上超厂推出三项新产品@丁怡
In September 1989, Shanghai Ultrasound Instrument Factory launched three new products. Namely ultrasonic positioning controller passed the prototype identification; CCH-16A ultrasonic thickness gauge and CTZ-1 ultrasonic Doppler stethoscope passed the technical appraisal. On the supermodel launched three new products @ Ding Yi