IT1096821B - Convertitore telefonico elettroacustico - Google Patents

Convertitore telefonico elettroacustico

Info

Publication number
IT1096821B
IT1096821B IT2519878A IT2519878A IT1096821B IT 1096821 B IT1096821 B IT 1096821B IT 2519878 A IT2519878 A IT 2519878A IT 2519878 A IT2519878 A IT 2519878A IT 1096821 B IT1096821 B IT 1096821B
Authority
IT
Italy
Prior art keywords
transmit
hands
speaker
complementary manner
electroacoustical
Prior art date
Application number
IT2519878A
Other languages
English (en)
Other versions
IT7825198A0 (it
Original Assignee
Spanel Abram Nathaniel
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.)
Filing date
Publication date
Application filed by Spanel Abram Nathaniel filed Critical Spanel Abram Nathaniel
Priority to IT2519878A priority Critical patent/IT1096821B/it
Publication of IT7825198A0 publication Critical patent/IT7825198A0/it
Application granted granted Critical
Publication of IT1096821B publication Critical patent/IT1096821B/it

Links

Landscapes

  • Telephone Function (AREA)
IT2519878A 1978-06-30 1978-06-30 Convertitore telefonico elettroacustico IT1096821B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT2519878A IT1096821B (it) 1978-06-30 1978-06-30 Convertitore telefonico elettroacustico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2519878A IT1096821B (it) 1978-06-30 1978-06-30 Convertitore telefonico elettroacustico

Publications (2)

Publication Number Publication Date
IT7825198A0 IT7825198A0 (it) 1978-06-30
IT1096821B true IT1096821B (it) 1985-08-26

Family

ID=11215990

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2519878A IT1096821B (it) 1978-06-30 1978-06-30 Convertitore telefonico elettroacustico

Country Status (1)

Country Link
IT (1) IT1096821B (it)

Also Published As

Publication number Publication date
IT7825198A0 (it) 1978-06-30

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