El-Fawal, Yehia Abd El-Salam Abo El-Gawad. <br/><br/>
Engineering and operational considerations in developing a seed cleaning and grading unit  [computer file]/ 
 الاعتبارات الهندسية والتشغيلية فى تطوير وحدة لتنظيف وتدريج التقاوي. 
Yehia Abd El-Salam Abo El-Gawad El-Fawal. 
 -  2004. 
 - Computer laser optical disks;  4 3/4 in. 
<br/><br/>Thesis (Ph.D.)--Al-Azhar  University,2004. 
<br/><br/>Includes bibliographical references (leaves 233-241). 
<br/><br/><br/>Systems requirments:Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seeds--Cleaning<br/>Seeds--Processing<br/>Agricultural machinery.