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International Electrotechnical Commission, 02/01/2022
Publisher: IEC
File Format: PDF
$12.00$25.00
Published:01/02/2022
Pages:18
File Size:1 file , 980 KB
Note:This product is unavailable in Ukraine, Russia, Belarus
Alarm systems - Part 7-5: Message formats and protocols for serial data interfaces in alarm transmission systems - Alarm system interfaces employing a two-wire configuration in accordance with ISO/IEC 8482
$12.00 $25.00
Alarm systems - Part 7-12: Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling
Methods of measurement for Waveguides - Part 3: Variation of group delay
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