Document Type and Number:
Japanese Patent JPS53161771
Kind Code:
U
Application Number:
JP6631977U
Publication Date:
December 18, 1978
Filing Date:
May 25, 1977
Export Citation:
International Classes:
A63B53/04; A63B102/32; (IPC1-7): A63B53/04
Domestic Patent References:
| JPS5168326A | 1976-06-12 | |||
| JPS5213989A | 1977-02-02 |
Foreign References:
| GB1201648A | 1970-08-12 |