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Data transparency
Only audited, published CommoditySpec records power online tools. PDFs archived locally appear as pending until structured data is released.
Snapshot generated: 2026-06-13 05:03:08 UTC
GB/T 17395-2024 · 钢管尺寸、外形、重量及允许偏差
Rows: 334 · Updated: 2026-05-20
Browse data钢管公称尺寸与壁厚系列
Lifecycle stage: Material selection
PDF archived locally; structured CommoditySpec not published
压力管道规范 · 附录 B 许用应力
Lifecycle stage: Material definition
Excel authoring in progress; not ingested
钢制无缝管件尺寸
Lifecycle stage: Detailed design
PDF archived locally; structured CommoditySpec not published
