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NF T31-230-15-2019 General methods of test for pigments and extenders - Part 15 : comparison of resistance...
2024-02-01
JJG 185-2017 500Hz~1MHz标准水听器检定规程(自由场比较法) Standard Hydrophones in the Frequency Range 500 Hz to 1...
2023-12-12
NF EN ISO 787-25-2019 General methods of test for pigments and extenders - Part 25 : comparison of the colo...
2023-11-10
DIN EN ISO 787-17-2018 General methods of test for pigments and extenders - Part 17: Comparison of lighteni...
2023-08-02
BS EN ISO 787-21-2017 General methods of test for pigments and extenders. Comparison of heat stability of ...
2023-07-07
ASME STP-NU-078-2016 COMPARISON REPORT ON WELDING QUALIFICATION AND WELDING QUALITY ASSURANCE
2023-05-06
JB/T 9832.1-1999农林拖拉机及机具.漆膜色差目视评定方法Tractors and machinery for agriculture and forestry - V...
2022-06-14
JJG 546-2010直流比较电桥检定规程DC Comparison Bridges
2022-06-10
GB/T 5211.20-1999在本色体系中白色、黑色和着色颜料颜色的比较 色度法Comparison of the colour,in full-shade sys...
2022-06-10
GB/T 6060.2-2006表面粗糙度比较样块磨、车、镗、铣、插及刨加工表面Roughness comparison specimens—Ground,turne...
2022-06-06
全球能源展望比较方法Global Energy Outlooks Comparison Methods in 2018
2021-09-09
Contrastive Analysis:A Phonetic Case
2020-11-22
Comparative Process for the Preparation of 9-Oxime Erythromycin A
2020-11-11
运煤输电对比研究
2020-09-18
循环水系统水泵及冷却塔改造节能效果分析
2020-06-12
低温甲醇洗气体净化工艺的比较
2020-06-12
循环水系统水泵及冷却塔改造节能效果分析
2020-03-24
低温甲醇洗气体净化工艺的比较
2020-03-24
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