Document Type and Number:
Japanese Patent JPS5619606
Kind Code:
Y2
Application Number:
JP15634676U
Publication Date:
May 11, 1981
Filing Date:
November 24, 1976
Export Citation:
International Classes:
E01F8/00; E01C1/00; E04B1/38; E04B1/84; E04B1/86; E04B1/98; F16B5/12; (IPC1-7): E04B1/40; E04B1/86