1951 supplement to book of ASTM standards: including tentatives / 2 

<br/><br/><label>Subjects--Topical Terms: </label><br/><METALES NO FERROSOS><COBRE><ALUMINIO><MAGNESIO><METODOS DE TESTEO><CALEFACCION ELECTRICA><SUPLEMENTOS><1951><NORMAS><NORMAS ASTM><ASTM STANDARDS>
<br/><br/><label>Gov. Doc. Class. No.: </label>ASTM