Box 606740330
Container
Contains 1 Result:
File
British and Dutch patents, 1930-64
Collection:
The Marconi Archives
Found in:
Archives of the Wireless Telegraph a…
/
Legal records
/
Patents and trademarks
/
Patent ledgers
Shelfmark: MS. Marconi 438
Extents: 1 volume
Dates:
1930-64