Power supplies for telecommunication services
By: D.A. Spurgin.
Series: Printed papers / Institution of Post Office Electrical Engineers -- no.230; Printed papers (Institution of Post Office Electrical Engineers) -- no.230.
Publisher: Institution of Post Office Electrical Engineers
Published: 1974
Place of publication: (London) (c/o The Librarian, G.P.O., 2 Gresham St., EC2V 7AG)
Language: eng
Number of pages: 20
Subjects: Telecommunication -- Apparatus and supplies.; Electric power distribution.