Title:
【発明の名称】通信回線3極避雷管保護装置
Document Type and Number:
Japanese Patent JP2759454
Kind Code:
B2
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Inventors:
ONOZUKA RYOJI
KOTAKE TOSHOSHI
KOTAKE TOSHOSHI
Application Number:
JP30010287A
Publication Date:
May 28, 1998
Filing Date:
November 30, 1987
Export Citation:
Assignee:
KOTAKE TOSHOSHI
ONOZUKA RYOJI
ONOZUKA RYOJI
International Classes:
H01T4/06; H01T4/04; H02H9/04; H02H9/06; H04Q1/14; (IPC1-7): H01T4/06; H01T4/04; H02H9/04; H02H9/06; H04Q1/14
Domestic Patent References:
| JP612286A | ||||
| JP53123854A | ||||
| JP55127839A | ||||
| JP5658387A | ||||
| JP52145442U | ||||
| JP5734672U | ||||
| JP5611357Y2 | ||||
| JP5525517Y2 | ||||
| JP4623466Y1 |