Document Type and Number:
Japanese Patent JPS4425460
Kind Code:
Y1
More Like This:
| WO/2005/009552 | IMPROVED ACCURACY BACKBOARD |
Application Number:
JP1573365U
Publication Date:
October 25, 1969
Filing Date:
February 27, 1965
Export Citation:
International Classes:
A63B63/08; A63B63/00; (IPC1-7): A63B63/00