GB/T 15241.1-2023 Chinese PDF (GB/T15241.1-2023) GB/T 45284.5-2025 GB/T 41869
$34.95
Description
GB/T 41869
English versions: GB/T 33492-2024
2-2024_Chinese: Cardiovascular implants - Cardiac valve prostheses - Part 2: Surgically implanted heart valve substitutes (Chinese: 心血管植入器械 人工心脏瓣膜 第2部分：外科植入式人工心脏瓣膜)
English versions: GB/T 25246-2025
3-2025_Chinese: Technical specification for animal genetic resource survey - Part 3: Cattle (Chinese: 畜禽遗传资源调查技术规范 第3部分：牛)
GB/T 15241.1-2023 Chinese PDF (GB/T15241.1-2023) GB/T 45284.5-2025 GB/T 41869GB T 15241. 1 2023_Chinese: Ergonomic principles related to mental workload Part 1: General terms and methods for measuring and assessing mental workload (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 15241. 1 2023
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