Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 32771-2016 |
Tree seedling quality grading of Betula platyphylla Suk. 白桦造林苗木质量分级 |
China National Standards platyphylla |
English PDF |
GB/T 23230-2009 |
Fast growing and high yield plantation of batula platyphylla suk. 白桦速生丰产林 |
China National Standards platyphylla |
English PDF |
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