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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56121591
Kind Code:
U
Application Number:
JP2070380U
Publication Date:
September 16, 1981
Filing Date:
February 20, 1980
Export Citation:
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International Classes:
B25H7/04; B25H7/00; (IPC1-7): B25H7/04; B25H7/00