• GB/T 19494.1-2023 Page 2
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GB/T 19494.1-2023 Chinese PDF (GB/T19494.1-2023)

GB/T 19494.1-2023 Chinese PDF (GB/T19494.1-2023)

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GB/T 19494.1-2023_Chinese: Mechanical sampling of coal - Part 1: Method for sampling (Chinese: 煤炭机械化采样 第1部分：采样方法)
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English versions: GB/T 19494.1-2023
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