DK33623C - Device for Multiplex Telephony with High Frequency Drum. - Google Patents

Device for Multiplex Telephony with High Frequency Drum.

Info

Publication number
DK33623C
DK33623C DK33623DA DK33623C DK 33623 C DK33623 C DK 33623C DK 33623D A DK33623D A DK 33623DA DK 33623 C DK33623 C DK 33623C
Authority
DK
Denmark
Prior art keywords
high frequency
multiplex telephony
frequency drum
drum
telephony
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Fabrikanter Af App R Og Anlaeg
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 Fabrikanter Af App R Og Anlaeg filed Critical Fabrikanter Af App R Og Anlaeg
Application granted granted Critical
Publication of DK33623C publication Critical patent/DK33623C/en

Links

DK33623D 1918-12-14 1920-08-05 Device for Multiplex Telephony with High Frequency Drum. DK33623C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE33623X 1918-12-14

Publications (1)

Publication Number Publication Date
DK33623C true DK33623C (en) 1924-09-08

Family

ID=5622391

Family Applications (1)

Application Number Title Priority Date Filing Date
DK33623D DK33623C (en) 1918-12-14 1920-08-05 Device for Multiplex Telephony with High Frequency Drum.

Country Status (1)

Country Link
DK (1) DK33623C (en)

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