Document Type and Number:
Japanese Patent JPS5628729
Kind Code:
Y2
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Application Number:
JP15875777U
Publication Date:
July 08, 1981
Filing Date:
November 25, 1977
Export Citation:
International Classes:
H01F7/06; H01F7/08; H01F27/06; (IPC1-7): H01F7/06; H01F15/02