GB/T 42270-2022
Test methods of hydrophobic characteristics for porous hydrophobic membrane
GB/T 13206-2022
Glycerines
GB/T 12250-2023
Automatic steam traps—Marking
GB/T 12247-2015
Automatic steam traps—Classification
GB/T 37215-2018
Hydrophobic hollow fiber membrane for membrane distillation
GB/T 22654-2008
Automatic steam traps - Technical specification
GB/T 12251-2005
Automatic steam traps-Test methods
SN/T 5263-2020
DL/T 2491-2022
JB/T 11494-2013
Alumina hydrophhobic special valves
SN/T 3344-2012
GB/T 13206-2011
Glycerines
JB/T 9093-1999
SN/T 0839.6-1999
SN/T 0839.7-1999
QB/T 2348-1997
HG/T 20570.21-1995
GB/T 13206-1991
Glycerines
GB/T 13216.6-1991
Test methods for glycerines—Determination of glycerol content
GB/T 13216.1-1991
Test methods for glycerines—Method of sampling for glycerines in drums