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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0339244
Kind Code:
U
Application Number:
JP10033389U
Publication Date:
April 16, 1991
Filing Date:
August 28, 1989
Export Citation:
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International Classes:
H01J29/86; H01J7/26; H01J29/89; (IPC1-7): H01J29/86; H01J7/26; H01J29/89



 
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