GB/T 12442-2019
Test method for the hydroxyl groups content of silica glass
GB/T 12442-2019
Rubber,vulcanized—Test method of salt mist aging
GB/T 12442-2019
Rubber,vulcanized--Test method of damp heat aging
GB/T 12442-2019
GB/T 12442-2019
Vulcanized rubber-Test method for abrasion resistance under slipping
GB/T 12442-2019
GB/T 12442-2019
Test method of activity for cobalt molybdenum curing uses catalyst
GB/T 12442-2019
Test method for the hydroxyl groups contentof silica glass
GB/T 12442-2019
GB/T 12442-2019
GB/T 12442-2019
GB/T 12442-2019
GB/T 12442-2019
GB/T 12442-2019
GB/T 12442-2019
Rubber, vulcanized-Determination of the effect of liquids
GB/T 12442-2019
GB/T 12442-2019
GB/T 12442-2019
Rubber vulcanized—The test method of deterioration surface cracking
GB/T 12442-2019
Rubber,vulcanized—Test method of natural storage aging
GB/T 12442-2019
Method of sulphur print test for steel