Document Type and Number:
Japanese Patent JPS568696
Kind Code:
Y2
Application Number:
JP17285677U
Publication Date:
February 25, 1981
Filing Date:
December 23, 1977
Export Citation:
International Classes:
G01C22/00; A63B21/00; A63B26/00; G06M3/00; G06M7/00; (IPC1-7): A63B21/00; G01C22/00; G06M7/00