Additional improvement patents, 1837-1861 /
Salvato in:
| OCLC: | 2646330 |
|---|---|
| Ente Autore: | |
| Altri autori: | |
| Lingua: | English |
| Pubblicazione: |
Washington :
National Archives and Records Service, General Services Administration,
1977.
|
| Serie: | Special list (National Archives (U.S.)) ;
no. 39. |
| Soggetti: | |
| Natura: | Documento governativo Monograph Note that CRL will digitize material from the collection when copyright allows. |