Објављен
IEC 60122-3:2010 specifies the outline drawing for quartz crystal units with lead enclosures. The main changes with respect to the previous edition are as follows: 12 of the 48 enclosure types contained in the previous edition have been deleted.
ОБЈАВЉЕН
IEC 60122-3:2010 ED4
60.60
Стандард објављен
11. 10. 2010.