
Letter Symbols To Be Used In Electrical Technology - Part 2: Telecommunications And Electronics
出版:Polish Committee for Standardization

專家解讀視頻
2007 [04/07/2007]
Supersedes PN HD 60027-2. (01/2008)
IEC 60027-2 Ed. 3.0 - Identical
EN 60027-2 : 2007 - Identical
IEC 60027-2 : 3.0 - Identical