CA556766A - Appareil d'intercommunications - Google Patents

Appareil d'intercommunications

Info

Publication number
CA556766A
CA556766A CA556766A CA556766DA CA556766A CA 556766 A CA556766 A CA 556766A CA 556766 A CA556766 A CA 556766A CA 556766D A CA556766D A CA 556766DA CA 556766 A CA556766 A CA 556766A
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
CA556766A
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 CA556766A publication Critical patent/CA556766A/fr
Expired legal-status Critical Current

Links

CA556766A Appareil d'intercommunications Expired CA556766A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA556766T

Publications (1)

Publication Number Publication Date
CA556766A true CA556766A (fr) 1958-04-29

Family

ID=35723172

Family Applications (1)

Application Number Title Priority Date Filing Date
CA556766A Expired CA556766A (fr) Appareil d'intercommunications

Country Status (1)

Country Link
CA (1) CA556766A (fr)

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