CA337716A - Systeme de central telephonique - Google Patents

Systeme de central telephonique

Info

Publication number: CA337716A
Authority: CA; Canada
Prior art keywords: exchange system; telephone exchange; telephone; exchange
Prior art date: 1933-12-05
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

CA337716A

Other languages

English (en)

Inventor

Hovland Henry

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

1933-12-05

1933-12-05 Application granted granted Critical

1933-12-05 Publication of CA337716A publication Critical patent/CA337716A/fr

Status Expired legal-status Critical Current

Links

CA337716A Systeme de central telephonique Expired CA337716A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA337716T

Publications (1)

Publication Number	Publication Date
CA337716A true CA337716A (fr)	1933-12-05

Family

ID=35300857

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA337716A Expired CA337716A (fr)			Systeme de central telephonique

Country Status (1)

Country	Link
CA (1)	CA337716A (fr)

0
- CA CA337716A patent/CA337716A/fr not_active Expired

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