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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS55142721
Kind Code:
U
Application Number:
JP4280479U
Publication Date:
October 13, 1980
Filing Date:
March 30, 1979
Export Citation:
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International Classes:
B21B35/14; F16D3/16; F16D3/44; (IPC1-7): F16D3/16; B21B35/14