GB/T 25320.4-2024 Chinese PDF (GB /T25320.4-2024) GB/T 21551.5-2024 1-2025_Chinese: Semi-finished spectacle lens blanks

1-2025_Chinese: Semi-finished spectacle lens blanks - Part 1: Single-vision and multifocal (Chinese: 半成品镜片毛坯 第1部分：单焦和多焦)

English versions: GB/T 18216

11-2024_Chinese: Standard for specified animal disease free zone - Part 11: Peste des petits ruminants free zone (Chinese: 无规定动物疫病区标准 第11部分：无小反刍兽疫区)

English versions: GB/T 19048-2024

1-2024_Chinese: Sterilization of health care products - Biological indicators - Part 1: General requirements (Chinese: 医疗保健产品灭菌 生物指示物 第1部分：通则)

GB/T 25320.4-2024 Chinese PDF (GB /T25320.4-2024) GB/T 21551.5-2024 1-2025_Chinese: Semi-finished spectacle lens blanksGB T 25320. 4 2024_Chinese: Power systems management and associated information exchange Data and communications security Part 4: Profiles including MMS and derivatives (Chinese: 4MMS) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25320. 4 2024