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Box 606740322

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Contains 1 Result:

File

Patent registers, 1925-43

MWTC patent numbers 260035-319809 MSD patent numbers 339662-522929 MIMC patent numbers 339662-587257 C&W patent numbers 221876-573121
Collection: The Marconi Archives
Shelfmark: MS. Marconi 430
Extents: 1 volume
Dates: 1925-43