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IEC 60839-7-3 : 1.0
IEC 60839-7-3 : 1.0 ALARM SYSTEMS - PART 7-3: MESSAGE FORMATS AND PROTOCOLS FOR SERIAL DATA INTERFACES IN ALARM TRANSMISSION SYSTEMS - COMMON DATA LINK LAYER PROTOCOL International Electrotechnical Committee
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IEC 61834-1 : 1.1
IEC 61834-1 : 1.1 RECORDING - HELICAL-SCAN DIGITAL VIDEO CASSETTE RECORDING SYSTEM USING 6,35 MM MAGNETIC TAPE FOR CONSUMER USE (525-60, 625-50, 1125-60 AND 1250-50 SYSTEMS) - GENERAL SPECIFICATIONS International Electrotechnical Committee
$35.10 $78.00 -55%Reduced price!In stock -
IEC 60839-7-20 : 1.0
IEC 60839-7-20 : 1.0 ALARM SYSTEMS - PART 7-20: MESSAGE FORMATS AND PROTOCOLS FOR SERIAL DATA INTERFACES IN ALARM TRANSMISSION SYSTEMS - TERMINAL INTERFACES EMPLOYING ITU-T RECOMMENDATION V.24/V.28 SIGNALLING International Electrotechnical Committee
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IEC 60839-7-11 : 1.0
IEC 60839-7-11 : 1.0 ALARM SYSTEMS - PART 7-11: MESSAGE FORMATS AND PROTOCOLS FOR SERIAL DATA INTERFACES IN ALARM TRANSMISSION SYSTEMS - SERIAL PROTOCOL FOR USE BY DIGITAL COMMUNICATOR SYSTEMS USING ITU-T RECOMMENDATION V.23 SIGNALLING AT INTERFACES WITH THE PSTN International Electrotechnical Committee
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IEC 60839-7-1 : 1.0
IEC 60839-7-1 : 1.0 ALARM SYSTEMS - PART 7-1: MESSAGE FORMATS AND PROTOCOLS FOR SERIAL DATA INTERFACES IN ALARM TRANSMISSION SYSTEMS - GENERAL International Electrotechnical Committee
$35.10 $78.00 -55%Reduced price!In stock -
IEC 60839-7-12 : 1.0
IEC 60839-7-12 : 1.0 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 International Electrotechnical Committee
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IEC 60728-10 : 3.0
IEC 60728-10 : 3.0 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 10: SYSTEM PERFORMANCE FOR RETURN PATHS International Electrotechnical Committee
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IEC 60839-7-2 : 1.0
IEC 60839-7-2 : 1.0 ALARM SYSTEMS - PART 7-2: MESSAGE FORMATS AND PROTOCOLS FOR SERIAL DATA INTERFACES IN ALARM TRANSMISSION SYSTEMS - COMMON APPLICATION LAYER PROTOCOL International Electrotechnical Committee
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IEC 60322 : 2.0
IEC 60322 : 2.0 RAILWAY APPLICATIONS - ELECTRIC EQUIPMENT FOR ROLLING STOCK - RULES FOR POWER RESISTORS OF OPEN CONSTRUCTION International Electrotechnical Committee
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IEC 60068-2-68 : 1.0
IEC 60068-2-68 : 1.0 ENVIRONMENTAL TESTING - PART 2: TESTS - TEST L: DUST AND SAND International Electrotechnical Committee
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IEC 60998-2-2 : 2.0
IEC 60998-2-2 : 2.0 CONNECTING DEVICES FOR LOW-VOLTAGE CIRCUITS FOR HOUSEHOLD AND SIMILAR PURPOSES - PART 2-2: PARTICULAR REQUIREMENTS FOR CONNECTING DEVICES AS SEPARATE ENTITIES WITH SCREWLESS-TYPE CLAMPING UNITS International Electrotechnical Committee
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IEC 61094-3 : 2.0
IEC 61094-3 : 2.0 ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 3: PRIMARY METHOD FOR FREE-FIELD CALIBRATION OF LABORATORY STANDARD MICROPHONES BY THE RECIPROCITY TECHNIQUE International Electrotechnical Committee
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