Document Type and Number:
Japanese Patent JPS57136335
Kind Code:
U
Application Number:
JP2258581U
Publication Date:
August 25, 1982
Filing Date:
February 19, 1981
Export Citation:
International Classes:
A61H33/00; A61H1/02; A61H9/00; A61H23/00; A61H23/04; A61H37/00; (IPC1-7): A61H23/04; A61H1/02; A61H37/00
Domestic Patent References:
JPS5255357U | 1977-04-21 | |||
JPS5255917U | 1977-04-22 | |||
JPS55118752A | 1980-09-11 |
Foreign References:
GB1461326A | 1977-01-13 |