Document Type and Number:
Japanese Patent JPS5389717
Kind Code:
U
Application Number:
JP17261676U
Publication Date:
July 22, 1978
Filing Date:
December 24, 1976
Export Citation:
International Classes:
E04G21/18; (IPC1-7): E04G21/18
Domestic Patent References:
| JPS4829371U | 1973-04-11 |