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Home > Contents > Visual indexes > Louis Jules Duboscq

 
  
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Louis Jules Duboscq 
Patent illustration - 5th(?) addition (Brevet d'Invention) 
1856 
  
Patent illustration 
French Patent and Trademark Office (INPI) 
 
LL/118381 
  
(Alan Griffiths, 14 February 2022) I'm indebted to Joris Nouwens for bringing this to my attention. 
 

 
  
 
  
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