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GB/T 39075.1-2023 Chinese PDF (GB/T39075.1-2023) GB/T 45534-2025 GB/T 29711-2023_Chinese: Non-destructive testing of
GB/T 39075.1-2023 Chinese PDF (GB/T39075.1-2023) GB/T 45534-2025 GB/T 29711-2023_Chinese: Non-destructive testing of
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Description
GB/T 29711-2023_Chinese: Non-destructive testing of welds - Ultrasonic testing - Characterization of discontinuities in welds (Chinese: 焊缝无损检测 超声检测 焊缝内部不连续的特征)
1）第4部分：ASN
GB 23394-2024_Chinese: Respiratory protection - Positive pressure self-contained closed-circuit compressed oxygen breathing apparatus (Chinese: 呼吸防护 正压式自给闭路压缩氧气呼吸器)
English versions: GB/T 35613-2024
English versions: GB/T 17699
GB/T 39075.1-2023 Chinese PDF (GB/T39075.1-2023) GB/T 45534-2025 GB/T 29711-2023_Chinese: Non-destructive testing ofGB T 39075. 1 2023_Chinese: Organic light emitting diode(OLED)light sources for general lighting Safety Part 1: General requirements and tests (Chinese: OLED 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 39075. 1 2023
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