alkaline peroxide impregnation
anti-insects treatment with impregnation under the vacuum condition
artificial impregnation
artificial impregnation instrument
Component Impregnation Sequence
consecutive impregnation
conventional impregnation
crack impregnation test
electrostatic spray impregnation
equivalent-volumetic impregnation methods
high-pressure impregnation and carbonization
hydrocarbon impregnation