CH57407A - Telephone switchboard - Google Patents

Telephone switchboard

Info

Publication number
CH57407A
CH57407A CH57407A CH57407DA CH57407A CH 57407 A CH57407 A CH 57407A CH 57407 A CH57407 A CH 57407A CH 57407D A CH57407D A CH 57407DA CH 57407 A CH57407 A CH 57407A
Authority
CH
Switzerland
Prior art keywords
telephone switchboard
switchboard
telephone
Prior art date
Application number
CH57407A
Other languages
German (de)
Inventor
Edmund Clement Edward
Original Assignee
Edmund Clement Edward
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 Edmund Clement Edward filed Critical Edmund Clement Edward
Publication of CH57407A publication Critical patent/CH57407A/en

Links

CH57407A 1911-04-22 1911-04-22 Telephone switchboard CH57407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH57407T 1911-04-22

Publications (1)

Publication Number Publication Date
CH57407A true CH57407A (en) 1913-02-17

Family

ID=4298563

Family Applications (1)

Application Number Title Priority Date Filing Date
CH57407A CH57407A (en) 1911-04-22 1911-04-22 Telephone switchboard

Country Status (1)

Country Link
CH (1) CH57407A (en)

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