Document Type and Number:
Japanese Patent JPS5015552
Kind Code:
Y1
Application Number:
JP11692169U
Publication Date:
May 15, 1975
Filing Date:
December 08, 1969
Export Citation:
International Classes:
E04H1/12; A47B47/00; A47B47/04; A47B61/00; (IPC1-7): A47B47/00; A47B61/00; E04H1/12