CA338907A - Telephone testing system - Google Patents

Telephone testing system

Info

Publication number
CA338907A
CA338907A CA338907A CA338907DA CA338907A CA 338907 A CA338907 A CA 338907A CA 338907 A CA338907 A CA 338907A CA 338907D A CA338907D A CA 338907DA CA 338907 A CA338907 A CA 338907A
Authority
CA
Canada
Prior art keywords
testing system
telephone testing
telephone
testing
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
CA338907A
Other languages
French (fr)
Inventor
Benjamin Draper John
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 CA338907A publication Critical patent/CA338907A/en
Expired legal-status Critical Current

Links

CA338907A Telephone testing system Expired CA338907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA338907T

Publications (1)

Publication Number Publication Date
CA338907A true CA338907A (en) 1934-01-23

Family

ID=35302048

Family Applications (1)

Application Number Title Priority Date Filing Date
CA338907A Expired CA338907A (en) Telephone testing system

Country Status (1)

Country Link
CA (1) CA338907A (en)

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