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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5476660
Kind Code:
U
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Application Number:
JP15012677U
Publication Date:
May 31, 1979
Filing Date:
November 09, 1977
Export Citation:
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International Classes:
H01J23/12; H01J23/11; H01J25/50; (IPC1-7): H01J23/11; H01J25/50
Domestic Patent References:
JP50129062B
JP48113357B



 
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