Document Type and Number:
Japanese Patent JPS4872021
Kind Code:
A
Application Number:
JP9417572A
Publication Date:
September 28, 1973
Filing Date:
September 21, 1972
Export Citation:
International Classes:
C22C38/00; C22C38/12; C22C38/14; C22C38/18; (IPC1-7): C22C39/50