
Ultrasonics - Physiotherapy Systems - Field Specifications And Methods Of Measurement In The Frequency Range 0,5 Mhz To 5 Mhz (Iec 61689:2013)
出版:Verband Deutscher Elektrotechniker

专家解读视频
2013 [01/12/2013]2008 [01/07/2008]DRAFT 2006 [01/12/2006]
DIN EN 61689 : 2013 - Corresponds
DIN EN 61689 : 2013 - Corresponds
EN 61689 : 2013 - Identical
IEC 61689 : 3.0 - Identical