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BL4P13: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, polypropylene feet; BL4P13K: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, castors for soft floors, extra charge: castors for hard floors; BL4P19:...
BL4P13: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, polypropylene feet;
BL4P13K: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, castors for soft floors, extra charge: castors for hard floors;
BL4P19: 4-star, aluminum, powder-coated, swivel seat - 360°, aluminium cast, legs finished with polypropylene feet;
BL4P19K: 4-star, aluminum, powder-coated, swivel seat - 360°, aluminium cast, castors for soft or hard (extra charge) floors