Document Type and Number:
Japanese Patent JPS5456426
Kind Code:
U
Application Number:
JP13015877U
Publication Date:
April 19, 1979
Filing Date:
September 28, 1977
Export Citation:
International Classes:
A61L9/12; A61L9/00; E04B1/64; E04F13/08; (IPC1-7): E04F13/08; A61L9/00
Domestic Patent References:
| JPS4948321B1 | 1974-12-20 | |||
| JP48087158B |