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High strength bolts with large hexagon head for steel structures
Translate name
STANDARD published on 22.4.1991
Designation standards: GB/T 1228-1991
Note: WITHDRAWN
Publication date standards: 22.4.1991
SKU: NS-861359
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-04-01 (Number of items: 2 270 267)
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