US$ 22.00
GB/T 674-2024 Chinese PDF (GB/T674-2024) GB/T 45575-2025 GB/T 14078-2024_Chinese: Technical specification for
$30.00
Description
GB/T 14078-2024_Chinese: Technical specification for He-Ne lasers (Chinese: 氦氖激光器技术规范)
GB/T 21649
GB/T 15852
English versions: GB/T 43309-2023
English versions: GB/T 21510-2024
GB/T 674-2024 Chinese PDF (GB/T674-2024) GB/T 45575-2025 GB/T 14078-2024_Chinese: Technical specification forGB T 674 2024_Chinese: Chemical reagent Cupric oxide powder (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 674 2024
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