650 FLOATING MANHOLESSIZE:¢650 X ¢850 X170MATERIAL:DUCTILE IRONSTANDARD:EN124 CLASS:D400ADVANTAGES:ANTI-SETTLING ,ANTI-ROCKING,ANTI-JUMPING,ANTI-MOVING,ANTI -FALLING,ANTI -THEFT, ANTI-FLY OFF.WITH RUBBER GASKET,GRAVITY LOCK,ANTI-THEFT,GAS AND FLOOD RELEASED.WITH ANTI-SETTLEMENT FRAME.Features:· The spec
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