تاریخچه استاندارد
AWWA C217   2023   Microcrystalline Wax and Petrolatum Tape Coating Systems for Steel Water Pipe and Fittings 8000000 ریال
AWWA C217   2016   Cold-Applied Petrolatum Tape and Petroleum Wax Tape Coatings for the Exterior of Special Sections, Connections, and Fittings for Buried or Submerged Steel Water Pipelines Third Edition 8000000 ریال
AWWA C217   2009   Cold-Applied Petrolatum Tape and Petroleum Wax Tape Coatings for the Exterior of Special Sections, Connections, and Fittings for Buried or Submerged Steel Water Pipelines Third Edition 5000000 ریال
AWWA C217   2004   Cold-Applied Petrolatum Tape and Petroleum Wax Tape Coatings for the Exterior of Special Sections, Connections, and Fittings for Buried or Submerged Steel Water Pipelines Third Edition 5000000 ریال
AWWA C217   1999   Cold-Applied Petrolatum Tape and Petroleum Wax Tape Coatings for the Exterior of Special Sections, Connections, and Fittings for Buried or Submerged Steel Water Pipelines Third Edition 3000000 ریال

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