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GB/t 20173-2013

GB/t 20173-2013, Total:1 items.

In the international standard classification, GB/t 20173-2013 involves: Equipment for petroleum and natural gas industries.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, GB/t 20173-2013

• GB/T 20173-2013 Petroleum and natural gas industries.Pipeline transportation systems.Pipeline valves

Others:   GB/t 20173-2013, GB/t30357.2 GB/t, GB/t GB/t 27920.1-2011, GB/t GB/t+19598, GB/t+684 GB/t, gb/t gb/t19598, GB/T 4723, GB/T 22933, GB/T 32534, GB/T 547, GB/T 13758, GB/T 1551, GB/T 16065, GB/T 35461, GB/t 6730.64, GB/T 14673, GB/t+3049+ GB/t, gb/t 6495.1gb/t 6495.1gb/t 6495.1gb/t 6495.1gb/t 6495.1gb/, GB/t21833 GB/t, GB/t GB/t 21448 2017.