GB/T 5612-2025 Chinese PDF (GB /T5612-2025) GB/T 45628-2025 English versions: GB/T 31036-2025

English versions: GB/T 31036-2025

English versions: GB/T 30844

GBZ45261-2025_Chinese: Course development guide for education about standardization - Fundamentals of conformity assessment (Chinese: 标准化教育课程建设指南 合格评定基础知识)

1-2025_Chinese: Plastics - Determination of temperature of deflection under load - Part 1: General test method (Chinese: 塑料 负荷变形温度的测定 第1部分：通用试验方法)

GB/T 44884-2024_Chinese: Technical requirements for secure user plane location service - Platform (Chinese: 基于用户面的定位业务技术要求 平台)

GB/T 5612-2025 Chinese PDF (GB /T5612-2025) GB/T 45628-2025 English versions: GB/T 31036-2025GB T 5612 2025_Chinese: Designation of cast irons (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5612 2025