Document Type and Number:
Japanese Patent JPS5335531
Kind Code:
Y2
Application Number:
JP7970872U
Publication Date:
August 31, 1978
Filing Date:
July 07, 1972
Export Citation:
International Classes:
C21C1/02; C21C7/00; C21C7/072; C22B9/00; C22B9/10; (IPC1-7): C22B9/10; C21C7/00