China National Standards

China Wall Thickness Micrometer GB Standards List

  •  China "Wall Thickness Micrometer" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 6312-2022 Wall Thickness Micrometer {译}
    壁厚千分尺    		 China National Standards
    Wall Thickness Micrometer
    English PDF
    GB/T 6312-2004 Micrometer for measuring pipe wall thicknesses
    壁厚千分尺    		 China National Standards
    Wall Thickness Micrometer
    English PDF

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