Document Type and Number:
Japanese Patent JPS4955824
Kind Code:
U
Application Number:
JP9830172U
Publication Date:
May 17, 1974
Filing Date:
August 23, 1972
Export Citation:
International Classes:
E04F10/00; E04F10/08; (IPC1-7): E04F10/08
Domestic Patent References:
JPS48114518U | 1973-12-27 |
Foreign References:
US3107900A | 1963-10-22 |