Document Type and Number:
Japanese Patent JPS5642380
Kind Code:
Y2
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Application Number:
JP10503577U
Publication Date:
October 03, 1981
Filing Date:
August 03, 1977
Export Citation:
International Classes:
G11B15/087; D03C13/00; D03D13/00; D03D25/00; D03D37/00; D03D41/00; (IPC1-7): D03D41/00; D03C13/00