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GB/T 41869.4-2024 Chinese PDF (GB /T41869.4-2024) GB/T 12279.3-2025 English versions: GB/T 23453-2025
GB/T 41869.4-2024 Chinese PDF (GB /T41869.4-2024) GB/T 12279.3-2025 English versions: GB/T 23453-2025
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Description
English versions: GB/T 23453-2025
English versions: GB/T 39141
control and laboratory use - Part 2: Particular requirements for laboratory equipment for the heating of materials (Chinese: 测量、控制和实验室用电气设备的安全要求 第2部分：材料加热用实验室设备的特殊要求)
English versions: GB/T 19212
English versions: GB/T 31033-2025
GB/T 41869.4-2024 Chinese PDF (GB /T41869.4-2024) GB/T 12279.3-2025 English versions: GB/T 23453-2025GB T 41869. 4 2024_Chinese: Optics and photonics Microlens arrays Part 4: Test methods for geometrical properties (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 41869. 4 2024
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