Box 606740326
Container
Contains 1 Result:
File
Telefunken patent numbers 355164-474522, 1931-7
Collection:
The Marconi Archives
Found in:
Archives of the Wireless Telegraph a…
/
Legal records
/
Patents and trademarks
/
Patent registers
Shelfmark: MS. Marconi 434
Extents: 1 volume
Dates:
1931-7