GB/T 1693-2007
硫化橡胶 介电常数和介质损耗角正切值的测定方法
Rubber,vulcanized - Determination of dielectric constant and dielectric loss tangent
2007-05-14
HG/T 3558-2019
胶片、片基含湿量测定方法
2019-12-24
GB/T 12683-2009
片基与胶片拉伸性能的测定方法
Method for determining the tensile properties of photographic film and film base
2009-12-15
GB/T 9858-2009
片基与胶片耐折度的测定方法
Method for determining the folding endurance of photographic film and film base
2009-12-15
GB/T 15059-1994
片基膨胀率和收缩率的测定方法
Method for determining the water expansion and shrinkage of photographic film base
1994-05-05