Box 606741521
Container
Contains 1 Result:
File
Patent numbers 425407-499877, 1936-49
Collection:
The Marconi Archives
Found in:
Archives of the Wireless Telegraph a…
/
Legal records
/
Patents and trademarks
/
Opinion sheets
Shelfmark: MS. Marconi 442
Extents: 1 volume
Dates:
1936-49