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International Standard Category: Plastics pipes and fittings for non fluid use

GB/T 40937-2021    Plastic piping systems—Determination of long-term strength for plastic composite pipes and fittings
塑料管道系统 塑料复合管材和管件长期强度的测定方法;
Category No.:83.140.30 Valid Status:valid
Issued Organization:AQSIQ and SAMR Issued Date:2021-11-26
Implemented Date:2022-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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