Document Type and Number:
Japanese Patent JPS4880283
Kind Code:
U
Application Number:
JP10749271U
Publication Date:
October 02, 1973
Filing Date:
November 17, 1971
Export Citation:
International Classes:
E04H6/06; E04H6/04; (IPC1-7): E04H6/06; E04H6/04
Domestic Patent References:
| JPS4425979Y1 | 1969-10-31 |