CA332744A - Systeme de central telephonique - Google Patents

Systeme de central telephonique

Info

Publication number: CA332744A
Authority: CA; Canada
Prior art keywords: exchange system; telephone exchange; telephone; exchange
Prior art date: 1933-05-23
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

CA332744A

Other languages

English (en)

Inventor

Larimer Stokely Ray

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

1933-05-23

1933-05-23 Application granted granted Critical

1933-05-23 Publication of CA332744A publication Critical patent/CA332744A/fr

Status Expired legal-status Critical Current

Links

CA332744A Systeme de central telephonique Expired CA332744A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA332744T

Publications (1)

Publication Number	Publication Date
CA332744A true CA332744A (fr)	1933-05-23

Family

ID=35295887

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA332744A Expired CA332744A (fr)			Systeme de central telephonique

Country Status (1)

Country	Link
CA (1)	CA332744A (fr)

0
- CA CA332744A patent/CA332744A/fr not_active Expired

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