GBGBICS9110010Q11ICS9110010Q11GB/T13462001eqvISO95971989TestmethodsforwaterrequirementofnormalconsistencysettingtimeandsoundnessoftheportlandcementsTestmethodsforwaterrequirementofnormalconsistencysettingtimeandsoundnessoftheportlandcements2001-04-29200110-01