Document Type and Number:
Japanese Patent JPS6428668
Kind Code:
U
Application Number:
JP12294287U
Publication Date:
February 20, 1989
Filing Date:
August 10, 1987
Export Citation:
International Classes:
A63B5/20; A63B23/04; G01C22/00; G06M7/00; (IPC1-7): A63B5/20; G01C22/00; G06M7/00
Domestic Patent References:
| JPS5674782A | 1981-06-20 | |||
| JPS58183180A | 1983-10-26 |