标准号 Standard Serial Number 标准名称 Standard Desination 产品型式 Type os products API Spec 5L 管线钢管规范 Pipeline Steels Standard 不锈钢复合管护栏、直缝埋弧不锈钢复合管护栏、直缝高频焊管 Spiral-seam Steel Pipes,Longitudinal-seam submerged-arc Steel pipes、High-Frequency Longitudial-seam Steel Pipes GB/T 9711.1-1997 石油天然气工业输送钢管交货技术条件 第1部分 A级钢管 The first Part of Oil-Gas industrial Transportatio Steel Pipes onsignment Technical Qualification Level A Steel Pipes 螺旋焊管、直缝埋弧焊管、直缝高频焊管 Spirsl-seam Steel Pipes,Longitudinal-seam submerged-arc Steel pipes,High-Frequency Longitudinal-seam Steel Pipes SY/T 5037-2000 低压液体输送管道用螺旋埋弧焊钢管 Spiral-seam Submerged-arc Steel Pipes for Low-pressure Liqued Transportation Pipeline s Use 螺旋焊管 Spiral-seam Steel Pipes GB/T 14980-94 低压流体输送用大直径钢板立柱 Wide-diametric Electric Weledng Steel Pipes for Low-pressure Liquid Transportation
冷拔不锈钢复合管桥梁护栏,不锈钢复合管护栏,钢板立柱价格,不锈钢管厂,中低压不锈钢复合管护栏
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