Valves - 4 45124 IG:  Diaphragm valve construction and disassembly /  [video recording] 
ITC Learning 
 - [s.l.] :  ITC Learning,  1978 
 - 1 digital video disc (DVD: 45min):  digital;  12cm. + 1 valves vol 4 instructor guide + 1 valves vol 4 student workbook. 
 - Industrial skills training .
<br/><br/> Library internal view only. 
<br/><br/><br/>Disc compatible with computer and DVD player. 
<br/><br/><label>ISBN: </label>MED0002464(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valve construction<br/>Valve maintenance