GB201218A - - Google Patents

Info

Publication number
GB201218A
GB201218A GB201218DA GB201218A GB 201218 A GB201218 A GB 201218A GB 201218D A GB201218D A GB 201218DA GB 201218 A GB201218 A GB 201218A
Authority
GB
United Kingdom
Prior art keywords
relay
over
line
circuit
test
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.)
Active
Application number
Other languages
English (en)
Publication of GB201218A publication Critical patent/GB201218A/en
Active legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
GB201218D Active GB201218A (enExample)

Publications (1)

Publication Number Publication Date
GB201218A true GB201218A (enExample)

Family

ID=1735236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201218D Active GB201218A (enExample)

Country Status (1)

Country Link
GB (1) GB201218A (enExample)

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