Document Type and Number:
Japanese Patent JPS52156178
Kind Code:
U
Application Number:
JP6507976U
Publication Date:
November 26, 1977
Filing Date:
May 21, 1976
Export Citation:
International Classes:
A63B71/02; (IPC1-7): A63B71/02
Domestic Patent References:
| JPH0710861U | 1995-02-14 | |||
| JPS4821770B1 | 1973-06-30 |