B2021 : W 775 *H 510 mm.
B2030 : W 470 * H 345 mm.
B3002 : Dia 70 mm.
B3013 : Dia 545 mm.
B3015 : Dia 830 mm.
B3016 : Dia 650 mm.
B3017 : Dia 150 mm.
B3019 : Dia 246 mm.
B3022 : Dia 195 mm.
 
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