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Hot-rolled U-type steel for mine timbering
Translate name
STANDARD published on 13.12.1991
Designation standards: GB/T 4697-1991
Note: WITHDRAWN
Publication date standards: 13.12.1991
SKU: NS-884852
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2024-09-03 (Number of items: 2 346 077)
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