Document Type and Number:
Japanese Patent JPS5424215
Kind Code:
U
Application Number:
JP9791977U
Publication Date:
February 17, 1979
Filing Date:
July 20, 1977
Export Citation:
International Classes:
E04D3/366; (IPC1-7): E04D3/366
Domestic Patent References:
| JPS51117426U | 1976-09-24 | |||
| JPS5235123U | 1977-03-12 |