Document Type and Number:
Japanese Patent JPS5740927
Kind Code:
Y2
Application Number:
JP170775U
Publication Date:
September 08, 1982
Filing Date:
December 25, 1975
Export Citation:
International Classes:
H01J23/20; D05B1/06; H01J23/213; H01J25/55; (IPC1-7): D05B1/06