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GB/T 40890-2021 in English
General quality requirements and test methodsfor the teaching vitreous equipment
valid
Issued on:2021-11-26
$1,036.00 -
JY/T 0625-2020 in English
Equipping standard of educat iona I equi pmentfor art and design in senior middle schools
valid
Issued on:2020-12-18
$756.00 -
JY/T 0565-2020 in English
General rules for electrothermal atomic absorption spectrometry
valid
Issued on:2020-09-29
$476.00 -
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