Document Type and Number:
Japanese Patent JPS5015977
Kind Code:
Y2
Application Number:
JP9730072U
Publication Date:
May 19, 1975
Filing Date:
August 22, 1972
Export Citation:
International Classes:
A22B3/06; H05C1/00; H05C1/02; H05C3/00; (IPC1-7): A22B3/06