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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0496960
Kind Code:
U
Application Number:
JP9071991U
Publication Date:
August 21, 1992
Filing Date:
November 06, 1991
Export Citation:
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International Classes:
H01J29/94; H01J5/60; H01J7/18; H01J29/02; (IPC1-7): H01J29/94



 
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