CA501362A - Systeme telephonique munie de clefs - Google Patents

Systeme telephonique munie de clefs

Info

Publication number
CA501362A
CA501362A CA501362A CA501362DA CA501362A CA 501362 A CA501362 A CA 501362A CA 501362 A CA501362 A CA 501362A CA 501362D A CA501362D A CA 501362DA CA 501362 A CA501362 A CA 501362A
Authority
CA
Canada
Prior art keywords
telephone set
equipped telephone
key equipped
key
telephone
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
CA501362A
Other languages
English (en)
Inventor
M. Melick John
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 CA501362A publication Critical patent/CA501362A/fr
Expired legal-status Critical Current

Links

CA501362A Systeme telephonique munie de clefs Expired CA501362A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA501362T

Publications (1)

Publication Number Publication Date
CA501362A true CA501362A (fr) 1954-04-06

Family

ID=35647259

Family Applications (1)

Application Number Title Priority Date Filing Date
CA501362A Expired CA501362A (fr) Systeme telephonique munie de clefs

Country Status (1)

Country Link
CA (1) CA501362A (fr)

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