Ревидиран
Gives 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. This new edition takes into account new editions of IEC TC 49 publications.
ПОВУЧЕН
IEC TS 61994-4-1:2001 ED1
ПОВУЧЕН
IEC TS 61994-4-1:2007 ED2
99.60
Повлачење ступило на снагу
16. 11. 2018.
ОБЈАВЉЕН
IEC TS 61994-4-1:2018 ED3