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IEC

PDF Standards IEC 60169-9 Ed. 1.0 b:1978

Radio-frequency connectors. Part 9: R.F. coaxial connectors with inner diameter of outer conductor 3 mm (0.12 in) with screw coupling – Characteristic impedance 50 ohms (Type SMC)
standard by International Electrotechnical Commission, 01/01/1978

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IEC

PDF Standards IEC 60068-2-69 Ed. 3.0 b:2017

Environmental testing – Part 2-69: Tests – Test Te/Tc: Solderability testing of electronic components and printed boards by the wetting balance (force measurement) method
standard by International Electrotechnical Commission, 03/07/2017

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