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2020.11.06

CJ/T123-2016《Steel reinforced polyethylene plastic pipes for water supply》

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2020.11.06

CJ/T124-2016《Fittings of steel reinforced polyethylene plastic pipes for water supply》

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2020.11.06

CJ/T125-2014《Steel framed polyethylene plastic pipes and fittings for supply of gaseous fuels》

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2020.11.06

HG/T3690-2012《Steel framed polyethylene plastic pipes for industry》

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2020.11.06

HG/T3691-2012《Fittings of steel framed polyethylene plastic pipes for industry》

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2020.11.06

Product standard

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