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CA566446A - Appareil d'intercommunication - Google Patents

Appareil d'intercommunication

Info

Publication number
CA566446A
CA566446A CA566446A CA566446DA CA566446A CA 566446 A CA566446 A CA 566446A CA 566446 A CA566446 A CA 566446A CA 566446D A CA566446D A CA 566446DA CA 566446 A CA566446 A CA 566446A
Authority
CA
Canada
Prior art keywords
intercommunication apparatus
intercommunication
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
CA566446A
Other languages
English (en)
Inventor
H. Campbell Richard
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.)
Webster Electric Co Inc
Original Assignee
Webster Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA566446A publication Critical patent/CA566446A/fr
Expired legal-status Critical Current

Links

CA566446A Appareil d'intercommunication Expired CA566446A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA566446T

Publications (1)

Publication Number Publication Date
CA566446A true CA566446A (fr) 1958-11-25

Family

ID=35738960

Family Applications (1)

Application Number Title Priority Date Filing Date
CA566446A Expired CA566446A (fr) Appareil d'intercommunication

Country Status (1)

Country Link
CA (1) CA566446A (fr)

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