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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
F22B0007200000 Furnace tubes 1
F22B0009000000 Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body 1
F22B0009020000 the boiler body being disposed upright, e.g. above the combustion chamber 1
F22B0009040000 the fire tubes being in upright arrangement 1
F22B0009060000 Arrangement of header boxes providing for return diversion of flue gas flow 1
F22B0009080000 the fire tubes being in horizontal arrangement 1
F22B0009100000 the boiler body being disposed substantially horizontally, e.g. at the side of the combustion chamber 1
F22B0009120000 the fire tubes being in substantially-horizontal arrangement 1
F22B0009140000 Arrangement of header boxes providing for return diversion of flue gas flow 1
F22B0009160000 the boiler body containing fire tubes disposed crosswise in inclined upward arrangement 1
F22B0009180000 Component parts thereof; Accessories therefor, e.g. stay-bolt connections 1
F22B0011000000 Steam boilers of combined fire-tube type and water-tube type, i.e. steam boilers of fire-tube type having auxiliary water tubes 1
F22B0011020000 the fire tubes being in upright arrangement 1
F22B0011040000 the fire tubes being in horizontal arrangement 1
F22B0013000000 Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body 1
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