CA370564A - Appareil de sous-station telephonique - Google Patents

Appareil de sous-station telephonique

Info

Publication number
CA370564A
CA370564A CA370564A CA370564DA CA370564A CA 370564 A CA370564 A CA 370564A CA 370564 A CA370564 A CA 370564A CA 370564D A CA370564D A CA 370564DA CA 370564 A CA370564 A CA 370564A
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
CA370564A
Other languages
English (en)
Inventor
Marvin Mapes Charles
Matheis Harlow Leonard
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 CA370564A publication Critical patent/CA370564A/fr
Expired legal-status Critical Current

Links

CA370564A Appareil de sous-station telephonique Expired CA370564A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA370564T

Publications (1)

Publication Number Publication Date
CA370564A true CA370564A (fr) 1937-12-14

Family

ID=35371630

Family Applications (1)

Application Number Title Priority Date Filing Date
CA370564A Expired CA370564A (fr) Appareil de sous-station telephonique

Country Status (1)

Country Link
CA (1) CA370564A (fr)

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