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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS507332
Kind Code:
A
Application Number:
JP5816773A
Publication Date:
January 25, 1975
Filing Date:
May 23, 1973
Export Citation:
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International Classes:
E01F7/00; E01F15/00; (IPC1-7): E01F15/00



 
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