William clowes and sons ltd <br/><br/>
The engineering joint examination board 
William clowes and sons ltd 
 - London  Published under the authority of the engineering joint examination board   1950 
 -  ill,;  20 cm. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>371.271  / REF