Document Type and Number:
Japanese Patent JPS5522411
Kind Code:
U
Application Number:
JP10557678U
Publication Date:
February 13, 1980
Filing Date:
August 02, 1978
Export Citation:
International Classes:
E04F19/08; (IPC1-7): E04F19/08
Domestic Patent References:
| JP51109122B | ||||
| JP50129540B |