Manual of classification of patents : definitions of all revised classes …

By: Publisher: Washington, 1940 -Description: Losebl.-AusgSubject(s):
Holdings
Item type Current library Call number Status Date due Barcode Item holds
Monographie Monographie Das Österreichische Patentamt 8562 (Browse shelf(Opens below)) Available
Total holds: 0

8.565, 8.566, 8.816