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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0297905
Kind Code:
U
Application Number:
JP570689U
Publication Date:
August 03, 1990
Filing Date:
January 21, 1989
Export Citation:
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International Classes:
F16D3/41; B21B35/14; (IPC1-7): B21B35/14; F16D3/41