CA243884A - Telephone testing system - Google Patents

Telephone testing system

Info

Publication number
CA243884A
CA243884A CA243884A CA243884DA CA243884A CA 243884 A CA243884 A CA 243884A CA 243884 A CA243884 A CA 243884A CA 243884D A CA243884D A CA 243884DA CA 243884 A CA243884 A CA 243884A
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
CA243884A
Other languages
French (fr)
Inventor
E. Lomax Clarence
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA243884A publication Critical patent/CA243884A/en
Expired legal-status Critical Current

Links

CA243884A Telephone testing system Expired CA243884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243884T

Publications (1)

Publication Number Publication Date
CA243884A true CA243884A (en) 1924-10-21

Family

ID=35147911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243884A Expired CA243884A (en) Telephone testing system

Country Status (1)

Country Link
CA (1) CA243884A (en)

Similar Documents

Publication Publication Date Title
CA237629A (en) Telephone system
CA238916A (en) Telephone testing system
CA243884A (en) Telephone testing system
CA238905A (en) Telephone system
CA243190A (en) Telephone system
CA237255A (en) Telephone system
CA237256A (en) Telephone system
CA237620A (en) Telephone system
CA237621A (en) Telephone system
CA237623A (en) Telephone system
CA237625A (en) Telephone system
CA237626A (en) Telephone system
CA237627A (en) Telephone system
CA237105A (en) Telephone system
CA237630A (en) Telephone system
CA237631A (en) Telephone system
CA238138A (en) Telephone system
CA238139A (en) Telephone system
CA238140A (en) Telephone system
CA238141A (en) Telephone system
CA238143A (en) Telephone system
CA238563A (en) Telephone system
CA238573A (en) Telephone system
CA238576A (en) Telephone system
CA237104A (en) Telephone system