Document Type and Number:
Japanese Patent JPS53161634
Kind Code:
U
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Application Number:
JP6562777U
Publication Date:
December 18, 1978
Filing Date:
May 21, 1977
Export Citation:
International Classes:
G03B27/00; B65H18/10; G03G15/00; G03G21/00; (IPC1-7): G03B27/00; B65H17/00; G03G15/00