China National Standards

China 6：Mine GB Standards List

  •  China "6：Mine" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 15663.6-2008 Terms melating to coal mining - Part 6：Mine surveying
    煤矿科技术语 第6部分：矿山测量    		 China National Standards
    6：Mine
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