www.ChineseStandard.net Database: 189760 (18 Oct 2025)

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S/N Standard ID_Text(Version) Description (PDF / digital product) Qty Lead Time (Days) Price (USD) Price Non-USD PDF Preview
Delete 1 GB/T 31983.31-2017_ENGLISH Narrow band power line communication over low-voltage mains -- Part 31: Narrow band orthogonal frequency division multiplexing power line -- Communication physical layer specification 1 0, How it works in 9s? 85
More PDF Samples                    Total (USD) 85.00

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