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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02150140
Kind Code:
U
Application Number:
JP6059089U
Publication Date:
December 25, 1990
Filing Date:
May 25, 1989
Export Citation:
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International Classes:
B24B21/08; B24B23/06; (IPC1-7): B24B21/08; B24B23/06



 
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