Apparatus with one or more particular functions for connection to certain public switched telephone networks
PSZJBL
Autor principal: | |
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Formato: | |
Publicado em: |
London : BSI,
1984
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Assuntos: |
PSZJBL
Autor principal: | |
---|---|
Formato: | |
Publicado em: |
London : BSI,
1984
|
Assuntos: |