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BL3P13: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, polypropylene feet; BL3P13K: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, castors for soft floors, extra charge - castors for hard floors; BL3P19...
BL3P13: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, polypropylene feet;
BL3P13K: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, castors for soft floors, extra charge - castors for hard floors;
BL3P19: 4-star, aluminum, powder-coated, swivel seat - 360°, aluminium cast, legs finished with polypropylene feet;
BL3P19K: 4-star, aluminum, powder-coated, swivel seat - 360°, aluminium cast, castors for soft or hard (extra charge) floors