Document Type and Number:
Japanese Patent JPS6229720
Kind Code:
Y2
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Application Number:
JP151181U
Publication Date:
July 30, 1987
Filing Date:
January 09, 1981
Export Citation:
International Classes:
E02B11/02; A01B13/08; F16C11/06; F16H25/16; F16H53/06; (IPC1-7): F16H53/06; A01B13/08; F16C11/06