China National Standards

China Special grinding discs Industry Standards English PDF List

  •  China "Special grinding discs" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 1629-2023 Special grinding discs for disc refiner {译}
    圆盘磨浆机专用磨片    		 China Light Industry Industry Standards
    Special grinding discs
    English PDF

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