China National Standards

China agent—Filter GB Standards List

  •  China "agent—Filter" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 38410-2019 Leather chemicals—Determination of tannin content in tanning agent—Filter method
    皮革化学品 鞣剂中鞣质含量的测定 过滤法     		China National Standards
    agent—Filter
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