1951 supplement to book of ASTM standards: including tentatives / 1 

<br/><br/><label>Subjects--Topical Terms: </label><br/><METALES FERROSOS><ACERO><HIERRO><SUPLEMENTOS><1951><NORMAS><NORMAS ASTM><ASTM STANDARDS>
<br/><br/><label>Gov. Doc. Class. No.: </label>ASTM