超声　洁牙设备　输出特性的测量和公布
Ultrasonics—Dental descaler systems—Measurement and declaration of the output characteristics

2009-11-15

Specification for ultrasonics. Dental descaler systems. Measurement and declaration of the output characteristics
超声波技术规范 牙科除垢系统 输出特性的测量和声明

1994-04-15

Ultrasonics - Dental descaler systems - Measurement and declaration of the output characteristics (IEC 61205:1993); German version EN 61205:1994
超声学.牙科除垢器系统.输出特性的测量和声明（IEC 61205-1993）；德文版EN 61205:1994

1995-02-01