radio waves

radio waves, Total:4 items.

The international standard classification for "radio waves" includes: Clocks , Therapy equipment .

The Chinese standard classification for "radio waves" includes: Horology , Physiotherapy and TCM instrument and equipment .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 20408-2006 Radio-controlled clocks

Professional Standard - Light Industry

• QB/T 4351-2012 Radio-controlled Analogue Quartz Watches

Professional Standard - Medicine

• YY/T 0061-2007 Specified electromagnetic wave therapy equipment

Military Standard of the People's Republic of China-General Armament Department

• GJB 8219-2014 Atmospheric radio refraction correction method of exterior ballistic measurement

Others: Wave,Bobo relationship,wave to wave,Yibo,wave relationship,wave,Bebo,Wavelength,wave + wave relationship,wave+,Bobo,electric iron electric,radio waves,wave transverse longitudinal wave,Electroelectric ferroelectric,half wave,ferroelectric,wave electric