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DIN 55982-2018 Pigments - Determination of lightening power of white pigments according to the paste method2023-08-12

IEC 61937-5-2019 數(shù)字音頻--用于IEC 60958的非線性脈沖編碼調(diào)制(PCM)編碼音頻位流的接口--第5部分:依據(jù)DTS(數(shù)字劇...2023-08-10

DIN 86552-2020 Valves, screwed bonnet type of steel with 24°-connection with port end W according to DIN 3...2023-07-28

DIN 3505-2017 Controllable backflow preventer with reduced pressure zone - Family B type A according to DIN...2023-06-17

DIN 86501-2017 Screwed bonnet type valves, of gun metal with 24° connection for Type W port according to ...2023-06-09

EN ISO 18451-2-2017 Pigments, dyestuffs and extenders - Terminology - Part 2: Classification of colouring m...2023-06-08

DIN 53120-1-2018 Testing of paper and board - Determination of air permeance - Part 1: Medium rate of air p...2023-05-04

IEC 61937-3-2017 數(shù)字音頻--用IEC 60958的非線性脈沖編碼調(diào)制(PCM)編碼音頻位流的接口--第3部分:根據(jù)AC-3和增強(qiáng)的A...2023-04-28