Document Type and Number:
Japanese Patent JPS52109730
Kind Code:
U
More Like This:
Application Number:
JP1621876U
Publication Date:
August 20, 1977
Filing Date:
February 14, 1976
Export Citation:
International Classes:
E06B3/70; E06B3/72; (IPC1-7): E06B3/72
Domestic Patent References:
| JPS4927522B1 | 1974-07-18 | |||
| JPS442719Y1 | 1969-01-31 |