GB/T 23947.3-2023 Chinese PDF (GB/T23947.3-2023) GB/T 23921-2023 English versions: GB/T 28847

English versions: GB/T 28847

English versions: GB/T 45224-2025

2-2024_Chinese: Non-destructive testing - Ultrasonic testing block - Part 2: Calibration block No

GB/T 14885-2022_Chinese: Basic classification and codes of fixed assets and other assets (Chinese: 固定资产等资产基础分类与代码)

English versions: GB/T 45648

GB/T 23947.3-2023 Chinese PDF (GB/T23947.3-2023) GB/T 23921-2023 English versions: GB/T 28847GB T 23947. 3 2023_Chinese: General method for the determination of arsenic in inorganic chemical products Part 3: Atomic fluorescence spectrometry (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23947. 3 2023