BS EN 13357-2002 (2005) BS 2000-502-2002
石油及其制品的试验方法.BS 2000-502:沥青和沥青粘合剂.石油轻制和软质沥青流出时间的测定
Methods of test for petroleum and its products - BS 2000-502: Bitumen and bituminous binders - Determination of the efflux time of petroleum cut-back and fluxed bitumens