Title:
GROUNDDFAULT PROTECTOR
Document Type and Number:
Japanese Patent JPS5622521
Kind Code:
A
Inventors:
WAKASA FUMIO
Application Number:
JP9497779A
Publication Date:
March 03, 1981
Filing Date:
July 27, 1979
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02H3/36; H02H3/16; (IPC1-7): H02H3/16; H02H3/36