GB/T 23561.8-2024 Chinese PDF (GB/T23561.8-2024) GB/T 20552-2023 66-2024_Chinese: Norm of water intake

66-2024_Chinese: Norm of water intake for industry - Part 66: Stone (Chinese: 工业用水定额 第66部分：石材)

GB/T 24601-2024_Chinese: Tilt and turn hardware system for building windows (Chinese: 建筑窗用内平开下悬五金系统)

English versions: GB/T 12538-2023

English versions: GB/T 31318-2025

87-2024_Chinese: Safety of household and similar electrical appliances - Part 87: Particular requirements for commercial spray extraction machines (Chinese: 家用和类似用途电器的安全 第87部分：商用喷雾抽吸机的特殊要求)

GB/T 23561.8-2024 Chinese PDF (GB/T23561.8-2024) GB/T 20552-2023 66-2024_Chinese: Norm of water intakeGB T 23561. 8 2024_Chinese: Methods for determining the physical and mechanical properties of coal and rock Part 8: Methods for determining the deformation parameters of coal and rock (Chinese: 8) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23561. 8 2024