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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0261044
Kind Code:
U
Application Number:
JP14058288U
Publication Date:
May 07, 1990
Filing Date:
October 27, 1988
Export Citation:
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International Classes:
H01J29/94; H01J7/18; (IPC1-7): H01J7/18; H01J29/94