Document Type and Number:
Japanese Patent JPH0452928
Kind Code:
Y2
Application Number:
JP654386U
Publication Date:
December 11, 1992
Filing Date:
January 22, 1986
Export Citation:
International Classes:
H01J31/15; H01J7/18; H01J29/94; H01J63/06; (IPC1-7): H01J31/15; H01J7/18; H01J29/94
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