Sampling and judging methods for lot inspection of logs and sawn timbers part 1 : sampling and judging methods for lot inspection of logs 原木锯材批量检查抽样判定方法第1部分:原木批量检查抽样判定方法
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Sampling and judging methods for lot inspection of logs and sawn timbers part 2 : sampling and judging methods for lot inspection of sawn timbers 原木锯材批量检查抽样判定方法第2部分:锯材批量检查抽样判定方法