TY  - BOOK
AU  - Ryan, H M
AU  - Jones, G R
TI  - SF6 switchgear
SN  - 863411231
CY  - London
KW  - Electrical equipment
KW  - Operating mechanisms -- SF6 Circuit breakers
KW  - SF6 switchgear
KW  - Switchgear and controlgear  Manuals
N1  - Includes bibliographical references and index
ER  -