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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0228722
Kind Code:
Y2
Application Number:
JP9747483U
Publication Date:
August 01, 1990
Filing Date:
June 24, 1983
Export Citation:
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International Classes:
H01F7/02; A43B7/32; A43B13/14; A43B13/18; A43B21/22; A43B21/24; A43B21/26; (IPC1-7): A43B13/18; A43B7/32; A43B21/26