GB/T 19277.1-2025 Chinese PDF (GB /T19277.1-2025) GB/T 14600-2025 English versions: GB/T 22454-2025

English versions: GB/T 22454-2025

English versions: GB/T 16605-2024

GB/T 17365-2025_Chinese: Microbeam analysis - Method of preparation for specimens of metal and alloy in electron probe microanalysis (Chinese: 微束分析 金属与合金电子探针定量分析试样的制备方法)

English versions: GB/T 15683-2025

GB/T 17812-2025_Chinese: Determination of vitamin E in feeds - High performance liquid chromatography (Chinese: 饲料中维生素E的测定 高效液相色谱法)

GB/T 19277.1-2025 Chinese PDF (GB /T19277.1-2025) GB/T 14600-2025 English versions: GB/T 22454-2025GB T 19277. 1 2025_Chinese: Determination of the ultimate aerobic biodegradability of plastic materials under conctrolled composting conditions Method by analysis of evolved cabon dioxide Part 1: General 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 19277. 1 2025