Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 24556-2009 Emergency measures for heliox saturation diving operation to 200m 300.0 via email in 1~3 business day valid
GBN 268-1987 Amount of supply gases for divers 255.0 via email in 1~3 business day valid
GB/T 12521-2008 Technical requirements for air diving decompression 210.0 via email in 1~3 business day valid
GB/T 17871-1999 Decompression procedures for nitrox or air saturation-air excursion diving 120.0 via email in 1~3 business day valid
GB 18435-2007 Breathing gases for divers and their determination methods 180.0 via email in 1~3 business day valid
GB/T 17871-1999 Decompression procedures for nitrox or air saturation-air excursion diving 120.0 via email in 1~3 business day valid
GB/T 24555-2009 Requirements for heliox saturation diving operation to 200 m 450.0 via email in 1~3 business day valid
GB/T 24557-2009 Methods and evaluation for psychological selection of commercial divers 180.0 via email in 1~3 business day valid
GB 18985-2003 Amount of supply gases for divers 240.0 via email in 1~3 business day valid
GB 18435-2001 Breathing gases for divers 105.0 via email in 1~3 business day superseded
GB 20827-2007 Criteria of physical examination 300.0 via email in 1~3 business day valid
GB 12521-1990 Technical requirements for air diving decompression 165.0 via email in 1~3 business day superseded
GB/T 17870-1999 Technical requirements of recompression therapy for decompression sickness 75.0 via email in 1~3 business day valid
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