Document Type and Number:
Japanese Patent JPS5521621
Kind Code:
Y2
Application Number:
JP17019776U
Publication Date:
May 24, 1980
Filing Date:
December 17, 1976
Export Citation:
International Classes:
F16B12/30; A47B47/02; A47B57/18; A47B57/20; A47B57/44; A47B81/00; (IPC1-7): A47B47/02; A47B57/44