Identity area
Reference code
0.1 - Acervo Histórico de patentes do INPI-12060
Title
UM PROCESSO DE LIGAÇÃO DE UM RELAIS ELECTRICO, FUNCCIONANDO COM ESPAÇO DE GAZ IONIZADO ESPECIALMENTE PARA O FIM DE TELEGRAPHIA E THELEPHONIA SEM FIO
Date(s)
- 15/04/1914 (Creation)
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application/pdf
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UM PROCESSO DE LIGAÇÃO DE UM RELÉ ELÉTRICO, FUNCIONANDO COM ESPAÇO DE GÁS IONIZADO ESPECIALMENTE PARA O FIM DE TELEGRAPHIA E TELEFONIA SEM FIO
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Domínio público
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Existence and location of originals
191914012060
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Digital object metadata
Filename
0ceed49d-c76a-4f87-b744-b57f05f62810-6e1b8eec-1f60-4150-9f05-7d0da8339a79.pdf
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Media type
Text
Mime-type
application/pdf
Filesize
1.8 MiB
Uploaded
March 22, 2023 4:37 AM