Title:
【考案の名称】魚群探知機用記録装置
Document Type and Number:
Japanese Patent JPS58169575
Kind Code:
U
Inventors:
Hideo Fujii
Kasai Akira
Kazumi Tsukioka
Kasai Akira
Kazumi Tsukioka
Application Number:
JP6638782U
Publication Date:
November 12, 1983
Filing Date:
May 06, 1982
Export Citation:
International Classes:
G01S7/60; G01S15/96; (IPC1-7): G01S7/60; G01S15/96
Domestic Patent References:
JPS4915232A | 1974-02-09 | |||
JPS5398874A | 1978-08-29 | |||
JPS54136368A | 1979-10-23 |