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GB - Chinese national standards
Page 172
GB/T 12234-2019 (18/10/2019)
Bolted bonnet steel gate valves for petroleum and natural gas industries
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 622.80 USD more info
GB/T 12235-2007 (18/04/2007)
Steel globe valves and lift check valve for petroleum, petrochemical and allied industries
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 330.00 USD more info
GB/T 12235-2025 (31/10/2025)
Steel globe valves and lift check valve for petroleum, petrochemical and allied industries
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 622.80 USD more info
GB/T 12236-2008 (02/02/2008)
Steel swing check valve for petroleum, petrochemical and allied industries
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 358.80 USD more info
GB/T 12236-2025 (31/10/2025)
Steel swing check valve for petroleum, petrochemical and allied industries
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 550.80 USD more info
GB/T 12237-2021 (09/03/2021)
Steel ball valves for petroleum, petrochemical and allied industries
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 490.80 USD more info
GB/T 12238-2008 (23/12/2008)
Flanged and wafer resilient seal butterfly valves
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 126.00 USD more info
GB/T 12239-2008 (23/12/2008)
Industrial valves - Diaphragm valves made of metallic materials
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 394.80 USD more info
GB/T 1224-2016 (29/08/2016)
Vocabulary and character for geometrical optics
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 078.80 USD more info
GB/T 12240-2008 (25/06/2008)
Iron plug valves
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 502.80 USD more info
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