Document Type and Number:
Japanese Patent JPS5447298
Kind Code:
U
Application Number:
JP12268077U
Publication Date:
April 02, 1979
Filing Date:
September 08, 1977
Export Citation:
International Classes:
A61F13/32; A61F13/20; (IPC1-7): A61F13/20
Domestic Patent References:
| JPS3527595Y1 | ||||
| JPS50155090A | 1975-12-13 |
Foreign References:
| US3628533A | 1971-12-21 | |||
| US3895634A | 1975-07-22 |