Document Type and Number:
Japanese Patent JPS55173937
Kind Code:
U
Application Number:
JP7450679U
Publication Date:
December 13, 1980
Filing Date:
May 31, 1979
Export Citation:
International Classes:
E04F19/08; A47B43/00; E04H1/12; (IPC1-7): A47B43/00; E04F19/08; E04H1/12