GBT 8810-2005 硬质泡沫塑料吸水率的测定.pdf

!CS83.100G32f匕，一-夕.、五DeterminationofwaterabsorptionofrigidcellularplasticsGB/T8810—2005代替GB/T8810—1988CISO2896:2001,Rigi...