Schweitzer, Philip A. <br/><br/>
Handbook of valves/ 
Philip A. Schweitzer 
 - New york:  Industrial press INC,  1972. 
 - 180 Pages  illustration, graph 
<br/><br/> Hbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valves
<br/><br/><label>Dewey Class. No.: </label>621.84 HAN 1972