CA498170A - Systeme de manoeuvre de telegraphe - Google Patents

Systeme de manoeuvre de telegraphe

Info

Publication number
CA498170A
CA498170A CA498170A CA498170DA CA498170A CA 498170 A CA498170 A CA 498170A CA 498170 A CA498170 A CA 498170A CA 498170D A CA498170D A CA 498170DA CA 498170 A CA498170 A CA 498170A
Authority
CA
Canada
Prior art keywords
switching system
telegraph switching
telegraph
switching
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
CA498170A
Other languages
English (en)
Inventor
B. Perry Donald
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 CA498170A publication Critical patent/CA498170A/fr
Expired legal-status Critical Current

Links

CA498170A Systeme de manoeuvre de telegraphe Expired CA498170A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA498170T

Publications (1)

Publication Number Publication Date
CA498170A true CA498170A (fr) 1953-12-01

Family

ID=35643605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA498170A Expired CA498170A (fr) Systeme de manoeuvre de telegraphe

Country Status (1)

Country Link
CA (1) CA498170A (fr)

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