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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5297059
Kind Code:
U
Application Number:
JP344176U
Publication Date:
July 20, 1977
Filing Date:
January 19, 1976
Export Citation:
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International Classes:
H01J9/24; G09F9/00; H01J5/32; H01J5/46; H01J17/18; H01J29/90; (IPC1-7): H01J29/90; H01J5/46; H01J17/18
Domestic Patent References:
JPS49111577A1974-10-24
JPS457373Y11970-04-10