Document Type and Number:
Japanese Patent JPS4918654
Kind Code:
Y1
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Application Number:
JP424969U
Publication Date:
May 18, 1974
Filing Date:
January 20, 1969
Export Citation:
International Classes:
H01F27/28; H01F27/08; H01F27/30; (IPC1-7): H01F27/28; H01F27/08; H01F27/30