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GBT20173-2013

GBT20173-2013, Total:1 items.

In the international standard classification, GBT20173-2013 involves: Equipment for petroleum and natural gas industries.


General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, GBT20173-2013

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




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