LU50616A1LU50616ALU50616ALU50616A1LU 50616 A1LU50616 A1LU 50616A1LU 50616 ALU50616 ALU 50616ALU 50616 ALU50616 ALU 50616ALU 50616 A1LU50616 A1LU 50616A1
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LU
Luxembourg
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LU50616A
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F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERALÂ ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
F23L13/00—Construction of valves or dampers for controlling air supply or draught
