IT8819801A0 - PRESSURE RING FOR HEADPHONES. - Google Patents

PRESSURE RING FOR HEADPHONES.

Info

Publication number
IT8819801A0
IT8819801A0 IT8819801A IT1980188A IT8819801A0 IT 8819801 A0 IT8819801 A0 IT 8819801A0 IT 8819801 A IT8819801 A IT 8819801A IT 1980188 A IT1980188 A IT 1980188A IT 8819801 A0 IT8819801 A0 IT 8819801A0
Authority
IT
Italy
Prior art keywords
headphones
pressure ring
ring
pressure
Prior art date
Application number
IT8819801A
Other languages
Italian (it)
Other versions
IT1216112B (en
Inventor
Tore Palmaer
Leif Palmaer
Original Assignee
Finnveden Holding Ab
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 Finnveden Holding Ab filed Critical Finnveden Holding Ab
Priority to IT8819801A priority Critical patent/IT1216112B/en
Publication of IT8819801A0 publication Critical patent/IT8819801A0/en
Application granted granted Critical
Publication of IT1216112B publication Critical patent/IT1216112B/en

Links

IT8819801A 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing IT1216112B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8819801A IT1216112B (en) 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8819801A IT1216112B (en) 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing

Publications (2)

Publication Number Publication Date
IT8819801A0 true IT8819801A0 (en) 1988-03-16
IT1216112B IT1216112B (en) 1990-02-22

Family

ID=11161338

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8819801A IT1216112B (en) 1988-03-16 1988-03-16 Pressure ring for persons with defective hearing

Country Status (1)

Country Link
IT (1) IT1216112B (en)

Also Published As

Publication number Publication date
IT1216112B (en) 1990-02-22

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