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Technical code for buried twisting plastic pipeline engineering
Translate name
STANDARD published on 15.4.2014
Designation standards: GB/T 50989-2014
Publication date standards: 15.4.2014
SKU: NS-1175003
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-07-03 (Number of items: 2 286 013)
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