GB507132A - - Google Patents

Info

Publication number
GB507132A
GB507132A GB507132DA GB507132A GB 507132 A GB507132 A GB 507132A GB 507132D A GB507132D A GB 507132DA GB 507132 A GB507132 A GB 507132A
Authority
GB
United Kingdom
Prior art keywords
relay
circuit
operates
spacing
subscriber
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 GB507132A publication Critical patent/GB507132A/en
Active legal-status Critical Current

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
GB507132D Active GB507132A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB507132A true GB507132A (enrdf_load_stackoverflow)

Family

ID=1747645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB507132D Active GB507132A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB507132A (enrdf_load_stackoverflow)

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