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GB - Chinese national standards
Page 189
GB 12514-2026 (28/01/2026)
Technical specifications for fire couplings
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 790.80 USD more info
GB 12514.1-2005 (28/09/2005)
Fire couoling -- Part 1: General technical conditions for fire coupling
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 310.80 USD more info
GB 12514.2-2006 (26/01/2006)
Fire coupling - Part 2: Patterns and basic parameters for fire snap-types coupling
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 310.80 USD more info
GB 12514.3-2006 (26/01/2006)
Fire coupling - Part 3: Patterns and basic parameters for fire insertion-type coupling
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 226.80 USD more info
GB 12514.4-2006 (26/01/2006)
Fire coupling - Part 4: Patterns and basic parameters for fire screw-type coupling
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 190.80 USD more info
GB/T 12519-2021 (11/10/2021)
General specification of analytical instruments
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 168.00 USD more info
GB/T 12520-1990 (03/11/1990)
Offset cruciform recess for rotary fastening devices
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 334.80 USD more info
GB/T 12521-2008 (27/05/2008)
Technical requirements for air diving decompression
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 394.80 USD more info
GB/T 12522-2009 (09/03/2009)
Stainless steel bellows expansion joints
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 778.80 USD more info
GB 12523-2025 (02/12/2025)
Emission standard for construction noise
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 190.80 USD more info
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