GB/T 7247.2-2024 Chinese PDF (GB/T7247.2-2024) GB/T 44888-2024 GB/T 1243-2024_Chinese: Short-pitch transmission precision

GB/T 1243-2024_Chinese: Short-pitch transmission precision roller and bush chains

GB/T 37190-2023_Chinese: Pipeline corrosion control engineering life cycle - General requirements (Chinese: 管道腐蚀控制工程全生命周期 通用要求)

GB/T 44922-2024_Chinese: Additive manufacturing - Qualification principles - Qualifying machine operators of laser metal powder bed fusion machines and equipment used in aerospace applications (Chinese: 增材制造 鉴定原则 航空航天用金属激光粉末床熔融设备操作人员资格鉴定)

GB/T 45629

GB/T 7247.2-2024 Chinese PDF (GB/T7247.2-2024) GB/T 44888-2024 GB/T 1243-2024_Chinese: Short-pitch transmission precisionGB T 7247. 2 2024_Chinese: Safety of laser products Part 2: Safety of optical fibre communication systems (OFCSs) (Chinese: 2OFCS) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7247. 2 2024