Ревидиран
Is a technical specification giving the terms and definitions for synthetic quartz single crystals representing the present state-of-the-art, which are intended for manufacturing piezoelectric elements for frequency control and selection.
ПОВУЧЕН
IEC TS 61994-4-1:2001 ED1
99.60
Повлачење ступило на снагу
29. 8. 2007.
ПОВУЧЕН
IEC TS 61994-4-1:2007 ED2