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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5421449
Kind Code:
Y2
Application Number:
JP2873275U
Publication Date:
July 30, 1979
Filing Date:
February 28, 1975
Export Citation:
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International Classes:
E02D7/18; F16F3/04; F16F7/00; (IPC1-7): E02D7/18



 
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