Document Type and Number:
Japanese Patent JPS56168178
Kind Code:
U
Application Number:
JP6789380U
Publication Date:
December 12, 1981
Filing Date:
May 17, 1980
Export Citation:
International Classes:
A63B67/00; A63B63/00; A63B65/00; A63B65/12; (IPC1-7): A63B65/00; A63B67/00