Title:
DIFFERENTIAL RELAY
Document Type and Number:
Japanese Patent JPS5921216
Kind Code:
A
Inventors:
NOHARA GOUO
Application Number:
JP12773782A
Publication Date:
February 03, 1984
Filing Date:
July 23, 1982
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02H3/28; (IPC1-7): H02H3/28
Domestic Patent References:
| JPS54634B1 | 1979-01-12 |
Attorney, Agent or Firm:
Michito Hiraki