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Seamless cold-drawn or cold-rolled steel tubes for precision applications
Translate name
STANDARD published on 30.10.2009
Designation standards: GB/T 3639-2009
Note: WITHDRAWN
Publication date standards: 30.10.2009
SKU: NS-883080
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-07-31 (Number of items: 2 290 450)
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