Document Type and Number:
Japanese Patent JPS57205322
Kind Code:
U
Application Number:
JP9460781U
Publication Date:
December 27, 1982
Filing Date:
June 26, 1981
Export Citation:
International Classes:
E04F17/08; E04C3/00; E04C3/30; (IPC1-7): E04C3/00; E04F17/08