Reports of patent, design, trade mark and other cases: V.48,1931   

 - London:  Patent Office,  1931 
 - 594p. 
<br/><br/> See for cost vol.1 
<br/><br/><label>ISBN: </label>0406906076 
<br/><br/><label>Dewey Class. No.: </label>346.048605 REP