Document Type and Number:
Japanese Patent JPS5416474
Kind Code:
U
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Application Number:
JP8861177U
Publication Date:
February 02, 1979
Filing Date:
July 06, 1977
Export Citation:
International Classes:
G04G9/00; G02F1/13; G04B19/20; G04B19/32; G04C17/00; G04G17/08; G09F9/00; (IPC1-7): G04C17/00; G02F1/13; G04B19/20; G09F9/00