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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5228471
Kind Code:
U
Application Number:
JP11527775U
Publication Date:
February 28, 1977
Filing Date:
August 20, 1975
Export Citation:
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International Classes:
G04G9/00; G04C3/00; G04C10/00; G04C19/00; G04G19/10; H02J9/00; H02J9/06; (IPC1-7): G04C3/00; G04C19/00; H02J9/06