Showing 2 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:

2 results with digital objects Show results with digital objects

UMA MACHINA DE CURSO VARIAVEL PARA FLUIDOS

0.1 - Acervo Histórico de patentes do INPI-8638
Item
21/10/1909

Part of Acervo Histórico de patentes do INPI

UMA MÁQUINA DE CURSO VARIÁVEL PARA FLUIDOS

HENRY SELBY HELE-SHAW

UM PROCESSO E RESPECTIVO APPARELHO PARA SEPARAR E EXTRAHIR MATERIAS SUSPENSAS EM UM FLUIDO

0.1 - Acervo Histórico de patentes do INPI-20942
Item
15/05/1923

Part of Acervo Histórico de patentes do INPI

UM PROCESSO E RESPECTIVO APARELHO PARA SEPARAR E EXTRAIR MATÉRIAS SUSPENSAS EM UM FLUIDO

HENRY SELBY HELE-SHAW

Narrow your results by:

Name

Showing 2 results