Document Type and Number:
Japanese Patent JPS528376
Kind Code:
Y1
Application Number:
JP6758269U
Publication Date:
February 22, 1977
Filing Date:
July 17, 1969
Export Citation:
International Classes:
H01J40/02; H01J1/32; H01J43/06; (IPC1-7): H01J1/32; H01J43/06
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