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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5551872
Kind Code:
Y2
Application Number:
JP2860778U
Publication Date:
December 02, 1980
Filing Date:
March 07, 1978
Export Citation:
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International Classes:
E04H17/14; E01F15/00; E01F15/04; E04B1/58; (IPC1-7): E01F15/00