ES324243A1 - Proyector automatico y continuo de imagenes fijas o moviles en circuito cerrado por un tiempo determinado y con voz simultanea.
- Google Patents
Proyector automatico y continuo de imagenes fijas o moviles en circuito cerrado por un tiempo determinado y con voz simultanea.
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Fernandez Peregrina Joaquin
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Fernandez Peregrina Joaquin
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ES0324243A1966-03-151966-03-15Proyector automatico y continuo de imagenes fijas o moviles en circuito cerrado por un tiempo determinado y con voz simultanea.
ExpiredES324243A1
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