
Letter Symbols To Be Used In Electrical Technology - Part 3: Logarithmic And Related Quantities, And Their Units
出版:Nederlands Normalisatie Instituut

專家解讀視頻
2007 [01/02/2007]
Supersedes NEN IEC 60027-3 and NEN HD 60027-3. (02/2007)
IEC 60027-3 Ed. 3.0 - Identical
IEC 60027-3 : 3.0 - Identical
EN 60027-3 : 2007 - Identical