Document Type and Number:
Japanese Patent JPS5725493
Kind Code:
Y2
Application Number:
JP17326080U
Publication Date:
June 02, 1982
Filing Date:
December 04, 1980
Export Citation:
International Classes:
H01J23/54; A61N5/02; H01J23/14; H01J25/50; (IPC1-7): H01J23/14; A61N5/02; H01J25/50