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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5498194
Kind Code:
U
Application Number:
JP17431077U
Publication Date:
July 11, 1979
Filing Date:
December 23, 1977
Export Citation:
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International Classes:
G09F13/16; E01F9/619; E01F9/669; E01F15/00; E01F15/04; (IPC1-7): E01F9/04; E01F15/00; G09F13/16