Document Type and Number:
Japanese Patent JPS5019006
Kind Code:
Y1
Application Number:
JP1014970U
Publication Date:
June 10, 1975
Filing Date:
January 31, 1970
Export Citation:
International Classes:
B21D39/06; B21D39/08; F28F9/16; (IPC1-7): B21D39/08; F28F9/16