GB/T 32771-2016

Active

Tree seedling quality grading of Betula platyphylla Suk.

白桦造林苗木质量分级

Standard Type
GBT
ICS
65.020.40
CCS
B61
Status
现行
Issue Date
2016-06-14
Implementation
2017-01-01
Responsible Dept
国家林草局
Drafting Unit
N/A