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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5530439
Kind Code:
U
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Application Number:
JP11324978U
Publication Date:
February 27, 1980
Filing Date:
August 17, 1978
Export Citation:
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International Classes:
H01J29/76; H01J29/82; (IPC1-7): H01J29/82; H01J29/76