Digest of patents, issued by the united states, including the years 1839, 1840, and 1841, a: published by act of congress under the superintendence of the commissioner of patents, henry l. ellsworth to which is added the present laws relating to patents
Éditeur :
Palala Press
ISBN :
9781358827433
Date de publication :
23 mai 2016
Dimensions :
23,4 x 15,6 x 1,6 cm
Poids :
538 g
Format :
Sewn
Langue :
Anglais
Pays d'origine :
USA