CA920288A - Test means for telephone switching systems - Google Patents

Test means for telephone switching systems

Info

Publication number
CA920288A
CA920288A CA129422A CA129422A CA920288A CA 920288 A CA920288 A CA 920288A CA 129422 A CA129422 A CA 129422A CA 129422 A CA129422 A CA 129422A CA 920288 A CA920288 A CA 920288A
Authority
CA
Canada
Prior art keywords
telephone switching
switching systems
test means
test
telephone
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
CA129422A
Other versions
CA129422S (en
Inventor
C. Garrett Jim
H. Johnson Robert
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA129422A priority Critical patent/CA920288A/en
Application granted granted Critical
Publication of CA920288A publication Critical patent/CA920288A/en
Expired legal-status Critical Current

Links

CA129422A 1971-12-06 1971-12-06 Test means for telephone switching systems Expired CA920288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA129422A CA920288A (en) 1971-12-06 1971-12-06 Test means for telephone switching systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA129422A CA920288A (en) 1971-12-06 1971-12-06 Test means for telephone switching systems

Publications (1)

Publication Number Publication Date
CA920288A true CA920288A (en) 1973-01-30

Family

ID=4091701

Family Applications (1)

Application Number Title Priority Date Filing Date
CA129422A Expired CA920288A (en) 1971-12-06 1971-12-06 Test means for telephone switching systems

Country Status (1)

Country Link
CA (1) CA920288A (en)

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