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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4835264
Kind Code:
U
Application Number:
JP7936271U
Publication Date:
April 27, 1973
Filing Date:
September 03, 1971
Export Citation:
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International Classes:
H01J23/15; G12B3/08; H01J23/12; H01J23/14; H01J25/50; H04B15/00; (IPC1-7): H01J23/14; G12B3/08; H01J25/50; H04B15/00
Foreign References:
US3458753A1969-07-29
US3531613A1970-09-29
US3439144A1969-04-15



 
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