CA352240A - Appareil de sous-station de telephone - Google Patents

Appareil de sous-station de telephone

Info

Publication number
CA352240A
CA352240A CA352240A CA352240DA CA352240A CA 352240 A CA352240 A CA 352240A CA 352240 A CA352240 A CA 352240A CA 352240D A CA352240D A CA 352240DA CA 352240 A CA352240 A CA 352240A
Authority
CA
Canada
Prior art keywords
substation apparatus
telephone substation
telephone
substation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA352240A
Other languages
English (en)
Inventor
Renwick Lum George
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA352240A publication Critical patent/CA352240A/fr
Expired legal-status Critical Current

Links

CA352240A Appareil de sous-station de telephone Expired CA352240A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA352240T

Publications (1)

Publication Number Publication Date
CA352240A true CA352240A (fr) 1935-08-06

Family

ID=35340203

Family Applications (1)

Application Number Title Priority Date Filing Date
CA352240A Expired CA352240A (fr) Appareil de sous-station de telephone

Country Status (1)

Country Link
CA (1) CA352240A (fr)

Similar Documents

Publication Publication Date Title
CA352239A (fr) Appareil de sous-station de telephone
CA352240A (fr) Appareil de sous-station de telephone
CA351892A (fr) Appareil telephonique
CA336662A (fr) Appareil de sous-station telephonique
CA346747A (fr) Appareil de sous-station de telephone
CA350458A (fr) Circuit de sous-station telephonique
CA353513A (fr) Appareil d'appels telephoniques
CA352050A (fr) Appareil a signaux telephoniques
CA333982A (fr) Groupe telephonique de sous-station
CA347217A (fr) Systeme telephonique
CA347218A (fr) Systeme telephonique
CA347219A (fr) Systeme telephonique
CA347220A (fr) Systeme telephonique
CA347368A (fr) Systeme telephonique
CA347418A (fr) Systeme telephonique
CA347727A (fr) Systeme telephonique
CA348223A (fr) Systeme telephonique
CA348348A (fr) Systeme telephonique
CA348528A (fr) Systeme telephonique
CA348529A (fr) Systeme telephonique
CA348883A (fr) Systeme telephonique
CA348884A (fr) Systeme telephonique
CA349657A (fr) Systeme telephonique
CA350476A (fr) Systeme telephonique
CA350477A (fr) Systeme telephonique