E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F17/00—Vertical ducts; Channels, e.g. for drainage
E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
Landscapes
Engineering & Computer Science
(AREA)
Architecture
(AREA)
Civil Engineering
(AREA)
Structural Engineering
(AREA)
Furnace Housings, Linings, Walls, And Ceilings
(AREA)
Briques de structure, inclinees et grilles fabriquees a partir de celles-ci pour recuperateurs de chaleur adaptes aux fours industriels notamment en siderurgie