GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 GB/T 45254-2025_Chinese: Data interface of

GB/T 45254-2025_Chinese: Data interface of futures market account (Chinese: 期货市场客户开户数据接口)

English versions: GB/T 27534

raw natural and raw synthetic - Sampling and further preparative procedures (Chinese: 天然、合成生胶 取样及其制样方法)

GB/T 45325-2025_Chinese: Determination of length of heat affected zone for precious metal bonding wire - Scanning electron microscope method (Chinese: 贵金属键合丝热影响区长度测定 扫描电镜法)

Delivery (PDF in Chinese): 2 working-hours typically

GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 GB/T 45254-2025_Chinese: Data interface ofGB T 4340. 1 2024_Chinese: Metallic materials Vickers hardness test Part 1: Test method (Chinese: 1: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4340. 1 2024