比率差動継電器 - Toshiba System Technology Co., Ltd.

Title:

比率差動継電器

Document Type and Number:

Japanese Patent JP3558309

Kind Code:

B2

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Inventors:

Satoshi Nakano
Rikio Sato
Tetsuya Sobue

Application Number:

JP26942495A

Publication Date:

August 25, 2004

Filing Date:

September 22, 1995

Export Citation:

Assignee:

Toshiba System Technology Co., Ltd.
TM T & D Co., Ltd.

International Classes:

H02H3/28; H02H7/06; (IPC1-7): H02H3/28; H02H7/06

Domestic Patent References:

Attorney, Agent or Firm:

Norio Ishii

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