CA346747A - Appareil de sous-station de telephone - Google Patents

Appareil de sous-station de telephone

Info

Publication number
CA346747A
CA346747A CA346747A CA346747DA CA346747A CA 346747 A CA346747 A CA 346747A CA 346747 A CA346747 A CA 346747A CA 346747D A CA346747D A CA 346747DA CA 346747 A CA346747 A CA 346747A
Authority
CA
Canada
Prior art keywords
substation apparatus
telephone substation
telephone
substation
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
CA346747A
Other languages
English (en)
Inventor
Renwick Lum George
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 CA346747A publication Critical patent/CA346747A/fr
Expired legal-status Critical Current

Links

CA346747A Appareil de sous-station de telephone Expired CA346747A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA346747T

Publications (1)

Publication Number Publication Date
CA346747A true CA346747A (fr) 1934-12-11

Family

ID=35318021

Family Applications (1)

Application Number Title Priority Date Filing Date
CA346747A Expired CA346747A (fr) Appareil de sous-station de telephone

Country Status (1)

Country Link
CA (1) CA346747A (fr)

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