Document Type and Number:
Japanese Patent JPS5020678
Kind Code:
B1
Application Number:
JP5515070A
Publication Date:
July 16, 1975
Filing Date:
June 26, 1970
Export Citation:
International Classes:
G21C17/02; G21C13/10; G21D1/00; (IPC1-7): G21C17/02; G21D1/00