DIFF Subgroup
A61L 29/141 Full Title
Materials for catheters, or for coating catheters (shape or structure of catheters A61M25/00) > Materials characterised by their function or physical properties
A61L 29/141 Materials for catheters, or for coating catheters (shape or structure of catheters A61M25/00) > Materials characterised by their function or physical properties