Metalaire产品手册说明书 PRODUCT HANDBOOK GRILLES • REGISTERS • DIFFUSERS • AIR TERMINAL UNITS
During the first half of the 16th century, before the Spanish occupation, there were diversified forms of ironwork, such as protective grilles for doors, windows, and chapels, often in fleur-de-lis patterns; window gratings of vertical bars, frequently octagonal in section; and interlacing bars...