
Piezoelectric Devices - Preparation Of Outline Drawings Of Surface-Mounted Devices (Smd) For Frequency Control And Selection - General Rules
出版:Swiss Standards

专家解读视频
2017 [24/01/2017]1997 [01/04/1997]
I.S. EN 61240:2012 - Identical
NBN EN 61240:2012 - Identical
NF EN 61240:2012 - Identical
SS EN 61240 Ed. 2 (2013) - Identical
DIN EN 61240 (2013-05) - Identical
EN 61240:2017 - Identical
BS EN 61240:2017 - Identical
SS EN 61240 Ed. 3 (2017) - Identical
DIN EN 61240 : 2015 - Identical
BS EN 61240 : 2012 - Identical
I.S. EN 61240:2017 - Identical
DIN EN 61240 : 2015 - Identical