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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6312919
Kind Code:
Y2
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Application Number:
JP11673082U
Publication Date:
April 13, 1988
Filing Date:
July 30, 1982
Export Citation:
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International Classes:
B24B31/104; B24B31/02; B24B31/12; (IPC1-7): B24B31/12; B24B31/104