Document Type and Number:
Japanese Patent JPS503081
Kind Code:
Y1
Application Number:
JP6384670U
Publication Date:
January 27, 1975
Filing Date:
June 29, 1970
Export Citation:
International Classes:
H01J40/02; H01J43/20; (IPC1-7): H01J39/06; H01J39/02
Next Patent: JPS503082