HUT35889A - Circuit arrangement to the telephone, mainly to secret party lines and/or making party line system from suscriber's networks
- Google Patents
Circuit arrangement to the telephone, mainly to secret party lines and/or making party line system from suscriber's networks
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Publication number
HUT35889A
HUT35889AHU37384AHU37384AHUT35889AHU T35889 AHUT35889 AHU T35889AHU 37384 AHU37384 AHU 37384AHU 37384 AHU37384 AHU 37384AHU T35889 AHUT35889 AHU T35889A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Jozsef NagyfiledCriticalJozsef Nagy
Priority to HU37384ApriorityCriticalpatent/HU193424B/en
Publication of HUT35889ApublicationCriticalpatent/HUT35889A/en
Publication of HU193424BpublicationCriticalpatent/HU193424B/en
HU37384A1984-01-271984-01-27Circuit arrangement to the telephone, mainly to secret party lines and/or making party line system from subscriber's networks
HU193424B
(en)