空调和制冷现场服务用无缝铜管|沙特标准|SASO-ASTM-B280
SASO-ASTM-B280
Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service
空调和制冷现场服务用无缝铜管的标准规范
空调和制冷现场服务用无缝铜管|沙特标准|SASO-ASTM-B280
SASO-ASTM-B280
Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service
空调和制冷现场服务用无缝铜管的标准规范
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