Document Type and Number:
Japanese Patent JPS571839
Kind Code:
U
More Like This:
Application Number:
JP7637280U
Publication Date:
January 07, 1982
Filing Date:
June 03, 1980
Export Citation:
International Classes:
C04B7/44; F27D13/00; (IPC1-7): C04B7/44; F27D13/00