Item 21160 - APERFEIÇOAMENTOS EM FILAMENTOS DE LAMPADAS INCANDESCENTES

Open original Digital object

Identity area

Reference code

0.1 - Acervo Histórico de patentes do INPI-21160

Title

APERFEIÇOAMENTOS EM FILAMENTOS DE LAMPADAS INCANDESCENTES

Date(s)

  • 16/07/1923 (Creation)

Level of description

Item

Extent and medium

application/pdf

Context area

Repository

Content and structure area

Scope and content

APERFEIÇOAMENTOS EM FILAMENTOS DE LÂMPADAS INCANDESCENTES

Conditions of access and use area

Conditions governing access

Domínio público

Language of material

  • pt-br

Allied materials area

Existence and location of originals

191923021160

Access points

Name access points