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GB/T 39112-2020.General principles for safety risk control of consumer product life cycle. 1 Scope GB/T 39112 specifies the genera
GB/T 39195-2020. Technical specifications for urban flooding risk investigation. 1 Scope GB/T 39195 specifies the basic requiremen
GB/T 39093-2020.Heat accumulation storage test method for dangerous goods. 1 Scope GB/T 39093 specifies the test principle, safety
GB/T 39090-2020.Adiabatic storage test method for dangerous goods. 1 Scope GB/T 39090 specifies the safety measures, test equipmen
GB/T 39058-2020.The specification of quality management for supply chain on electronic commerce of agricultural products. Quality
GB/T 39551.6-2020.Patent navigation guide-Part 6: Talent management. 1Scope GB/T 39551.6 provides general guidance for talent mana
GB/T 39551.1-2020.Patent navigation guide-Part 1: General principles. 1Scope GB/T 39551.1 provides general guidance for patent nav
GB/T 39551.4-2020.Patent navigation guide-Part 4: Business operation. 1 Scope GB/T 39551.4 provides general guidance for patent na