Pearson, G. H. <br/><br/>
Topics in engineering design valve design manually operated patterns 

 - New York  Pitman publishing  1972 
 - viii,166p. 
<br/><br/><label>ISBN: </label>0273316834  £1.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>620  / PEA