Document Type and Number:
Japanese Patent JPS5437787
Kind Code:
Y2
Application Number:
JP10893875U
Publication Date:
November 12, 1979
Filing Date:
August 05, 1975
Export Citation:
International Classes:
B21J5/08; B21J7/18; B21J9/06; (IPC1-7): B21J7/18; B21J5/08