Title:
AUTOMATIC OPENING AND CLOSING CONTROL DEVICE FOR USE IN CONTROL VALVE
Document Type and Number:
Japanese Patent JPS52149633
Kind Code:
A
Inventors:
HAGAMI MASAHIKO
HAYAKAWA TETSUO
HAYAKAWA TETSUO
Application Number:
JP6685276A
Publication Date:
December 12, 1977
Filing Date:
June 08, 1976
Export Citation:
Assignee:
CHUKYO ELECTRIC CO
International Classes:
F16K21/14; F16K21/16; (IPC1-7): F16K21/16