Document Type and Number:
Japanese Patent JPS57177255
Kind Code:
U
Application Number:
JP6610881U
Publication Date:
November 09, 1982
Filing Date:
May 06, 1981
Export Citation:
International Classes:
F16H37/06; F16H13/06; G11B15/32; G11B15/44; (IPC1-7): G11B15/44; F16H13/06; G11B15/32