Document Type and Number:
Japanese Patent JPS53158356
Kind Code:
U
Application Number:
JP6362477U
Publication Date:
December 12, 1978
Filing Date:
May 18, 1977
Export Citation:
International Classes:
A63B41/12; A63B41/04; A63H3/06; A63H27/10; (IPC1-7): A63B41/04; A63H3/06
Domestic Patent References:
| JP50103800B |
Foreign References:
| US2940213A | 1960-06-14 |