
Alarm Systems - Alarm Transmission Systems And Equipment - Part 2-1: General Requirements For Alarm Transmission Equipment
出版:Verband Deutscher Elektrotechniker

专家解读视频
2002 [01/09/2002]2000 [01/04/2000]DRAFT 97 [01/02/1997]
DIN EN 50136-2-1 (2002-09) - Identical
EN 50136-2-1 : 98 AMD 1 2001 - Identical
DIN EN 50136-2-1 : 2002 - Identical
DIN EN 50136-2-1 : 2002 - Corresponds