This standard specifies the width series of mechanical extension screeds for paver machines on asphalt surface concrete. This standard applies to mechanical extension screeds for asphalt concrete paver machines.
JB/T 6034-1992 history
2007JB/T 6034-2007 Asphait paver- Mechanical extension screed width series
1992JB/T 6034-1992 Asphalt Concrete Paver Mechanically Extended Screed Width Series