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1.用于诊断的超声波仪器法国正式标准(1988年8月)NF C74-336根据生产厂对产品所规定的使用规则就用于诊断的超声波仪器的等级提出了建议.它规定产品具有一至几个使用等级.用户借助该标准可以更准确地选择所需要的仪器.该标准取代了1986年同一标准代号的标准,取消了很少使用的等级并增加了几个新等级,同时还对相应的定义作了修订。
1. Ultrasonic Instruments for Diagnostics French Official Standard (August 1988) NF C74-336 Advice is given on the level of ultrasound instruments used for diagnosis according to the rules of use set forth by the manufacturer for the product, which provides that the product has one to several The use of the level. With the help of the standard users can more accurately select the required equipment. The standard replaces the 1986 standard code of the same standard, canceled the rarely used level and adds several new levels, but also the corresponding The definition was amended.