Document Type and Number:
Japanese Patent JPS54143821
Kind Code:
U
Application Number:
JP4287178U
Publication Date:
October 05, 1979
Filing Date:
March 31, 1978
Export Citation:
International Classes:
C21D9/673; C21D1/26; C21D1/74; C21D9/54; (IPC1-7): C21D9/54; C21D1/26; C21D1/74