Showing 1 results

Archival description

Advanced search options

Find results with:

Limit results to:

Repository

Top-level description

Filter results by:

Level of description

Digital object available

Finding aid

General material designation

Top-level descriptions All descriptions

Filter by date range:

Start

End

Overlapping Exact

Use these options to specify how the date range returns results. "Exact" means that the start and end dates of descriptions returned must fall entirely within the date range entered. "Overlapping" means that any description whose start or end dates touch or overlap the target date range will be returned.

Print preview View:

Sort by:

Direction:

APERFEIÇOAMENTOS EM TELEPHONIA E TELEGRAPHIA POR ONDAS CONTINUAS

0.1 - Acervo Histórico de patentes do INPI-18671
Item
27/07/1921

Part of Acervo Histórico de patentes do INPI

APERFEIÇOAMENTOS EM TELEFONIA E TELEGRAFIA POR ONDAS CONTÍNUAS

MARCONIS WIRELESS TELEGRAPH COMPANY LIMITED

Narrow your results by:

Name

Showing 1 results