Document Type and Number:
Japanese Patent JPS5242927
Kind Code:
Y2
Application Number:
JP3112475U
Publication Date:
September 29, 1977
Filing Date:
March 10, 1975
Export Citation:
International Classes:
B21D5/14; B21D7/08; B21D11/10; B21D43/09; (IPC1-7): B21D5/14; B21D7/08