Document Type and Number:
Japanese Patent JPH0327325
Kind Code:
Y2
Application Number:
JP8025385U
Publication Date:
June 13, 1991
Filing Date:
May 29, 1985
Export Citation:
International Classes:
H01J23/00; H01J7/24; H01J23/033; H01J23/12; (IPC1-7): H01J23/12; H01J7/24; H01J23/033
Next Patent: METHOD FOR CHROMATOGRAPHIC SEPARATION