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BS EN ISO 11591 : 2019
API 51 : 2001
AWS A5.23/A5.23M : 2011
AWS D18.1/D18.1M : 2009
AASHTO M 205M/M 205 : 2011(R2019)
ASME PV CODE 4 : 2017
ASME RAM 2 : 2016
CSA ISO/IEC 29110-4-1 : 2018
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