Document Type and Number:
Japanese Patent JPS52121943
Kind Code:
U
Application Number:
JP3057176U
Publication Date:
September 16, 1977
Filing Date:
March 13, 1976
Export Citation:
International Classes:
E06B7/23; E06B7/22; (IPC1-7): E06B7/22
Domestic Patent References:
| JPS475155B1 | ||||
| JP46012587U | ||||
| JPS4732758U | 1972-12-12 | |||
| JPS479227B1 |