HG/T 6055-2022
HG/T 5585-2019
HG/T 6284-2024
HG/T 5199-2017
Test method of activity for pyridine hydrogenation to prepare piperidine with ruthenium-carbon catalysts
HG/T 5408-2018
Analytical method of chemical compositionfor pyridine hydrogenation to prepare piperidine with ruthenium carbon catalysts
T/CNIA 0052-2020
HG/T 5584\uff5e5587-2019
T/CNIA 0050-2020
HG/T 5408\uff5e5411-2018
T/CPCIF 0192-2022