CA508234A - Appareil d'intercommunication - Google Patents

Appareil d'intercommunication

Info

Publication number
CA508234A
CA508234A CA508234A CA508234DA CA508234A CA 508234 A CA508234 A CA 508234A CA 508234 A CA508234 A CA 508234A CA 508234D A CA508234D A CA 508234DA CA 508234 A CA508234 A CA 508234A
Authority
CA
Canada
Prior art keywords
intercommunicating apparatus
intercommunicating
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
CA508234A
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 CA508234A publication Critical patent/CA508234A/fr
Expired legal-status Critical Current

Links

CA508234A Appareil d'intercommunication Expired CA508234A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA508234T

Publications (1)

Publication Number Publication Date
CA508234A true CA508234A (fr) 1954-12-14

Family

ID=35659274

Family Applications (1)

Application Number Title Priority Date Filing Date
CA508234A Expired CA508234A (fr) Appareil d'intercommunication

Country Status (1)

Country Link
CA (1) CA508234A (fr)

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