ClassID:

47036

B27K3/083 - CPC Classification

Classification description:

Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process; Processes; Apparatus; Impregnating by pressure, e.g. vacuum impregnation along the fibers, i.e. longitudinal impregnation

Recent Application in this class: