Document Type and Number:
Japanese Patent JPH054193
Kind Code:
Y2
Application Number:
JP4175286U
Publication Date:
February 02, 1993
Filing Date:
March 19, 1986
Export Citation:
International Classes:
H01J7/24; H01J29/89; H01J31/10; (IPC1-7): H01J29/89; H01J7/24; H01J31/10
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