GR8202B -
INDEPENDENT PORTABLE DEVICE AT THE SAME TIME TRANSMISSION TELEPHONE AND TO SECOND PERSON OR THE EQUIPMENT OF THE HEADPHONE OF THE TELEPHONE.
- Google Patents
INDEPENDENT PORTABLE DEVICE AT THE SAME TIME TRANSMISSION TELEPHONE AND TO SECOND PERSON OR THE EQUIPMENT OF THE HEADPHONE OF THE TELEPHONE.
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Application filed by Ηλιας ΣιστοβαρηςfiledCriticalΗλιας Σιστοβαρης
Priority to GR390108202ApriorityCriticalpatent/GR8202B/en
Publication of GR8202BpublicationCriticalpatent/GR8202B/en
GR390108202A1939-05-111939-05-11
INDEPENDENT PORTABLE DEVICE AT THE SAME TIME TRANSMISSION TELEPHONE AND TO SECOND PERSON OR THE EQUIPMENT OF THE HEADPHONE OF THE TELEPHONE.
GR8202B
(en)