GB 44504-2024 Chinese PDF GB 2099.7-2024 English versions: GBZ37551

English versions: GBZ37551

English versions: GB/T 45445-2025

GB/T 45548-2025_Chinese: Determination of isotope abundance of deuterated reagents - Nuclear magnetic resonance spectroscopy (Chinese: 氘代试剂同位素丰度的测定 核磁共振波谱法)

2-2025_Chinese: Semi-finished spectacle lens blanks - Part 2: Power-variation (Chinese: 半成品镜片毛坯 第2部分：渐变焦)

English versions: GB/T 22454-2025

GB 44504-2024 Chinese PDF GB 2099.7-2024 English versions: GBZ37551GB 44504 2024_Chinese: Risk classification and service life of special production equipment for civil explosive materials (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 44504 2024