I.S. EN 61689:1999被替代
Ultrasonics - Physiotherapy Systems Performance Requirements And Methods Of Measurement In The Frequency Range 0,5 Mhz To 5 Mhz
出版：National Standards Authority of Ireland
专家解读视频
Specifies methods of measurement and characterisation of the output performance of ultrasonic physiotherapy equipment based on reference testing methods.
UNE EN 61689:1999 - Identical
NF EN 61689:1997 - Identical
IEC 61689 Ed. 2.0 - Identical
NBN EN 61689:1997 - Identical
DIN EN 61689 (1997-12) - Identical
BS EN 61689:2007 - Identical
SN EN 61689:1996 - Identical
SS EN 61689 Ed. 1 (1999) - Identical
