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20/30400883 DC:2020 BS ISO 18447. Tea. Determination of theaflavins in black tea. Method using high performance liquid chromatography
BS EN ISO 13164-4:2020 Water quality. Radon-222 Test method using two-phase liquid scintillation counting
20/30405492 DC:2020 BS EN ISO 23753-1 AMD1. Soil quality. Determination of dehydrogenases activity in soils Part 1. Method using triphenyltetrazolium chloride (TTC)
20/30405496 DC:2020 BS EN ISO 23753-2 AMD1. Soil quality. Determination of dehydrogenases activity in soils Part 2. Method using iodotetrazolium chloride (INT)
BS EN 50310:2016+A1:2020 Telecommunications bonding networks for buildings and other structures
20/30414411 DC:2020 BS EN 60747-16-7. Semiconductor devices Part 16-7. Microwave integrated circuits. Attenuators
20/30414415 DC:2020 BS EN 60747-16-8. Semiconductor devices Part 16-8. Microwave integrated circuits. Limiters
20/30409196 DC:2020 BS EN 62037-1. Passive RF and microwave devices, intermodulation level measurement Part 1. General requirements measuring methods
20/30414817 DC:2020 BS EN 61557-12 AMD1. Electrical safety in low voltage distribution systems up to 1 000 V AC and 500 DC. Equipment for testing, measuring or monitoring of protective measures Part 12. Power metering devices (PMD)
20/30384034 DC:2020 BS ISO/IEC 10646. Information technology. Universal coded character set (UCS)
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