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Chemical oxygen self-rescuer for coal mine
Translate name
STANDARD published on 30.10.2009
Designation standards: GB 24502-2009
Note: WITHDRAWN
Publication date standards: 30.10.2009
SKU: NS-895725
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-07-24 (Number of items: 2 290 214)
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