Pay-telephone station with deferred collection

Assignee

• Cselt-Cento Studi E Laborati Telecomunicazioni S.P.A.

Inventors

• Ottavio Bertoglio (3 patents)
• Aurelio Caccia (1 patents)
• Riccardo Fidanza (1 patents)
• Wouter M. D. VanVeen (1 patents)

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