WALAI AutoLIB – RSSRSSWALAI AutoLibAnnual book of ASTM standards 2001 : section 1 iron and steel products /American Society forTesting and Materials .http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00004242<img src="https://www.opac.sskru.ac.th/bookcover/4242/4242-fc-t.gif" align="left" height="150" width="120"/>520404Annual book of ASTM standards 2001 : section 1 iron and steel products /American Society forTesting and Materials .http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00004243<img src="https://www.opac.sskru.ac.th/bookcover/4243/4243-fc-t.gif" align="left" height="150" width="120"/>520422