Document Type and Number:
Japanese Patent JPS54137698
Kind Code:
U
Application Number:
JP3213978U
Publication Date:
September 25, 1979
Filing Date:
March 15, 1978
Export Citation:
International Classes:
C22B26/10; G21C19/30; G21C19/313; (IPC1-7): G21C19/30; C22B26/10