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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6383749
Kind Code:
U
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Application Number:
JP17848086U
Publication Date:
June 01, 1988
Filing Date:
November 19, 1986
Export Citation:
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International Classes:
H01J7/24; H01J29/89; (IPC1-7): H01J7/24; H01J29/89