Mask Breathing Resistance Tester automatic air flow resistance breathing valve air tightness resistance detection tester
5.0
0 sold.
29,067,280 so'm
Fabric digital permeability tester air permeability tester filter cloth non-woven fabric air permeability measurement air permeability material
5.0
0 sold.
14,068,195 so'm
Beating degree tester tapping degree meter pulp beating degree meter paper detection instrument pulp beating degree experiment
5.0
0 sold.
14,533,640 so'm
