Specification for liquid organic coatings for application to aluminium alloy extrusions, sheet and preformed sections for external architectural purposes, and for the finish on aluminium alloy extrusions, sheet and preformed sections coated with liquid organic coatings
外部建筑用铝合金挤压件、薄板和预制型材以及涂覆有液体有机涂层的铝合金挤压件、薄板和预制型材表面处理用液体有机涂层规范