Item 18093 - APERFEIÇOAMENTOS EM LAMPADA DE DESCARGA ELECTRICA

Open original Digital object

Identity area

Reference code

0.1 - Acervo Histórico de patentes do INPI-18093

Title

APERFEIÇOAMENTOS EM LAMPADA DE DESCARGA ELECTRICA

Date(s)

  • 04/02/1921 (Creation)

Level of description

Item

Extent and medium

application/pdf

Context area

Repository

Content and structure area

Scope and content

APERFEIÇOAMENTOS EM LÂMPADA DE DESCARGA ELÉTRICA

Conditions of access and use area

Conditions governing access

Domínio público

Language of material

  • pt-br

Allied materials area

Existence and location of originals

191921018093

Access points