Document Type and Number:
Japanese Patent JPS4632902
Kind Code:
Y1
Application Number:
JP4718168U
Publication Date:
November 13, 1971
Filing Date:
June 07, 1968
Export Citation:
International Classes:
(IPC1-7): E04G17/02
Domestic Patent References:
| JPS34466Y1 | ||||
| JPS439240Y1 | 1968-04-22 | |||
| JPS425730Y1 | 1967-03-22 |