GB/T 17821-2025 Chinese PDF (GB /T17821-2025) GB 4789.42-2025

GB/T 17821-2025 Chinese PDF (GB /T17821-2025) GB 4789.42-2025GB T 17821 2025_Chinese: Rubber latex Determination of density between 5 and 40 (Chinese: 540) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17821 2025

storage and transportation system (Chinese: 粮食加工、储运系统粉尘防爆安全规范)

GB 45186-2024_Chinese: Requirements of restricting excessive packaging in express delivery (Chinese: 限制快递过度包装要求)

GB/T 16895

2-2024_Chinese: Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 2: Coordination dimensions (Chinese: 电气和电子设备机械结构 户外机壳 第2部分：协调尺寸)

GB/T 17643-2025_Chinese: Geosynthetics - Polyethylene geomembrane (Chinese: 土工合成材料 聚乙烯土工膜)

GB/T 10859

1编码规则 第1部分:基本编码规则（BER）、正则编码规则（CER）和非典型编码规则（DER）规范)

English versions: GB/T 20130-2025

2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)

English versions: GB/T 20424-2025

GB 10770-2025_Chinese: National food safety standard - Canned complementary foods for infants and young children (Chinese: 食品安全国家标准 婴幼儿罐装辅助食品)

GB/T 15566