| 摘要 |
A composite frame material comprises a plastic wood outer frame and an aluminum extrusion inner frame. Therein, the plastic wood outer frame has a combining recess, and the aluminum extrusion inner frame is combined in the combining 5 recess in order to form the outer frame together with the inner frame into a building material for installation on window frames, handrails, pillars or decorations thereof, substituting building materials made of pure real wood or pure metal. -1- 14 13 lk |
