Document Type and Number:
Japanese Patent JPS4419384
Kind Code:
Y1
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Application Number:
JP4625267U
Publication Date:
August 20, 1969
Filing Date:
June 02, 1967
Export Citation:
International Classes:
H01J29/04; H01J1/15; H01J29/48; H01J29/50; (IPC1-7): H01J1/15; H01J29/48; H01J29/50