GB/T 44890-2024 Chinese PDF (GB /T44890-2024) GB 29743.2-2025 1）第2部分：信息客体规范)

1）第2部分：信息客体规范)

control and laboratory use - Part 2: Particular requirements for laboratory equipment for the heating of materials (Chinese: 测量、控制和实验室用电气设备的安全要求 第2部分：材料加热用实验室设备的特殊要求)

2-2025_Chinese: Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (Chinese: 金属材料 维氏硬度试验 第2部分：硬度计的检验与校准)

English versions: GB/T 31235-2024

English versions: GB/T 15316-2024

GB/T 44890-2024 Chinese PDF (GB /T44890-2024) GB 29743.2-2025 1）第2部分：信息客体规范)GB T 44890 2024_Chinese: Specification for administrative license (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44890 2024