GB/T 34877.4-2024 Chinese PDF (GB/T34877.4-2024) GB/T 45447-2025 English versions: GB/T 45637-2025

English versions: GB/T 45637-2025

English versions: GBZ37551

GB/T 45368-2025_Chinese: Leather - Specification for packaging of wet blue leather (Chinese: 皮革 蓝湿革包装规范)

GB/T 30544

GB/T 19514-2024_Chinese: Method of measuring volume for passenger car luggage compartment (Chinese: 乘用车行李舱容积的测量方法)

GB/T 34877.4-2024 Chinese PDF (GB/T34877.4-2024) GB/T 45447-2025 English versions: GB/T 45637-2025GB T 34877. 4 2024_Chinese: Industrial fans Determination of fan sound power levels under standardized laboratory conditions Part 4: Sound intensity method (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 34877. 4 2024