General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 8822.4-1988
Scope
This standard applies to the seeds used for afforestation within the scope of this division, not to the seeds used for urban greening and introduction experiments.
GB/T 8822.4-1988 history
1988GB/T 8822.4-1988 Seed zones of chinese forest trees--Seed zones of pinus armandi franch