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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS4722829
Kind Code:
Application Number:
Publication Date:
November 14, 1972
Filing Date:
April 02, 1971
Export Citation:
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International Classes:
G06F7/00; G06F3/00; G11C11/52; G11C11/54; H01H47/00; H01H47/32; (IPC1-7): G06F7/00; G06F3/00; H01H47/32