Aston, g.h. <br/><br/>
The second insulation of partitions  G.h. aston 

 - London,  c1948. 
 - 24 p.  illus.  22 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>693.834  / AST