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Metal valves-Face to face,end to end,center to face and center to end dimensions
Translate name
STANDARD published on 21.2.2005
Designation standards: GB/T 12221-2005
Note: WITHDRAWN
Publication date standards: 21.2.2005
SKU: NS-861288
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-09-16 (Number of items: 2 301 474)
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