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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5213876
Kind Code:
Y1
Application Number:
JP4580175U
Publication Date:
March 29, 1977
Filing Date:
April 03, 1975
Export Citation:
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International Classes:
H01J23/26; H01J23/24; H01J25/34; (IPC1-7): H01J23/24; H01J25/34