Document Type and Number:
Japanese Patent JPS5390479
Kind Code:
U
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Application Number:
JP17323576U
Publication Date:
July 24, 1978
Filing Date:
December 24, 1976
Export Citation:
International Classes:
G04G3/00; G04C3/00; H03B5/32; H03H9/02; H03H9/21; (IPC1-7): H03H9/02; G04C3/00; H03B5/32