AS NZS 1462.29:2019 pdf free.Methods of test for plastic pipes and fittings Method 29: Plastics piping and ducting systems一Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation. 5.1.3 Detection of a knee and validation of data and model Use the procedure given in Annex B to detect the presence of any knee. After detecting a...
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