Document Type and Number:
Japanese Patent JPS5533581
Kind Code:
Y2
Application Number:
JP12067374U
Publication Date:
August 09, 1980
Filing Date:
October 04, 1974
Export Citation:
International Classes:
H01J9/42; G01L21/34; H01H33/66; H01J7/22; H01J19/72; H01J23/12; H01J41/06; (IPC1-7): H01J7/22; H01H33/66; H01J23/12