CA533983A - Interrupteur a clef de telephone - Google Patents

Interrupteur a clef de telephone

Info

Publication number
CA533983A
CA533983A CA533983A CA533983DA CA533983A CA 533983 A CA533983 A CA 533983A CA 533983 A CA533983 A CA 533983A CA 533983D A CA533983D A CA 533983DA CA 533983 A CA533983 A CA 533983A
Authority
CA
Canada
Prior art keywords
key switch
telephone key
telephone
switch
key
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
CA533983A
Other languages
English (en)
Inventor
N. Macdonald Duncan
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA533983A publication Critical patent/CA533983A/fr
Expired legal-status Critical Current

Links

CA533983A Interrupteur a clef de telephone Expired CA533983A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA533983T

Publications (1)

Publication Number Publication Date
CA533983A true CA533983A (fr) 1956-12-04

Family

ID=35688602

Family Applications (1)

Application Number Title Priority Date Filing Date
CA533983A Expired CA533983A (fr) Interrupteur a clef de telephone

Country Status (1)

Country Link
CA (1) CA533983A (fr)

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