Document Type and Number:
Japanese Patent JPS5133557
Kind Code:
A
Inventors:
FURUKAWA TOSHIO
KANAI HIROMI
KANAI HIROMI
Application Number:
JP10610674A
Publication Date:
March 22, 1976
Filing Date:
September 17, 1974
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H01J29/50; H01J29/48; H01J29/62; (IPC1-7): H01J29/48; H01J29/50