Document Type and Number:
Japanese Patent JPS57192938
Kind Code:
U
Application Number:
JP7932381U
Publication Date:
December 07, 1982
Filing Date:
May 31, 1981
Export Citation:
International Classes:
C04B28/02; C04B14/38; C04B32/02; C04B38/00; E04C2/06; (IPC1-7): C04B29/04; C04B13/00; E04C2/06