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دانش و بینش . on 127 standards andthe tests are performed in conformity with DIN16961standards as a rule the strength caculations are performed under double check the perissible deformation ratio is 6 for long term and 3 for short term THEcaculation method is based on 127 guidelines THEcaculation method based on 127 standard S 24 =E 24 I/r …
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