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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5312738
Kind Code:
B2
Application Number:
JP8436274A
Publication Date:
May 04, 1978
Filing Date:
July 23, 1974
Export Citation:
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International Classes:
E01C3/00; E01C9/02; E01F9/00; E01F9/524; E01F9/553; E01F9/588; E01F9/608; E01F9/615; E01F9/619; E01F9/627; E01F9/631