Document Type and Number:
Japanese Patent JPS5676828
Kind Code:
U
Application Number:
JP16060379U
Publication Date:
June 23, 1981
Filing Date:
November 20, 1979
Export Citation:
International Classes:
E04D13/15; (IPC1-7): E04D13/15
Domestic Patent References:
| JPS5637642U | 1981-04-09 |