标准号 StandardNo： GB/T 1230-2006 国家标准
钢结构用高强度垫圈 High Strength Plain Washers for Steel Structures 钢结构用高强度大六角头螺栓，大六角螺母，垫圈 Specifications of High Strength Bolts with Large Hexagon Head, Large Hexago...
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钢结构用高强度大六角头螺栓，大六角螺母，垫圈技术条件。
Specification of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures.
采用高强度螺栓、螺母垫圈，必须符合《钢结构用高强度大六角螺栓、大六角螺母、垫圈技术条件》要求。
Use of high strength bolts, nuts washers must meet the "high-strength steel hexagon bolts, large hexagon nuts, washers and technical conditions" requirement.
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