Title:
【発明の名称】地絡方向継電器
Document Type and Number:
Japanese Patent JP2588188
Kind Code:
B2
Inventors:
SUGA NORYOSHI
Application Number:
JP5162687A
Publication Date:
March 05, 1997
Filing Date:
March 06, 1987
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H02H3/38; H02H3/42; (IPC1-7): H02H3/42; H02H3/38
Attorney, Agent or Firm:
Norio Ishii