Document Type and Number:
Japanese Patent JPS5129740
Kind Code:
Y2
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Application Number:
JP5841171U
Publication Date:
July 27, 1976
Filing Date:
July 06, 1971
Export Citation:
International Classes:
H01J40/04; H01J1/34; H01J40/06; (IPC1-7): H01J39/04; H01J1/34; H01J39/06