Document Type and Number:
Japanese Patent JPS52142738
Kind Code:
U
Application Number:
JP5149676U
Publication Date:
October 28, 1977
Filing Date:
April 24, 1976
Export Citation:
International Classes:
E04H17/14; E04H17/16; E06B9/01; F16B7/22; (IPC1-7): E04H17/16; E04B1/40; E06B9/01
Domestic Patent References:
| JPS4823245U | 1973-03-16 |