Document Type and Number:
Japanese Patent JPS4820014
Kind Code:
Y1
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Application Number:
JP1878170U
Publication Date:
June 08, 1973
Filing Date:
February 27, 1970
Export Citation:
International Classes:
G11B5/53; G11B5/50; G11B5/52; (IPC1-7): G11B5/52; G11B5/50