Document Type and Number:
Japanese Patent JPS6449316
Kind Code:
U
Application Number:
JP13907487U
Publication Date:
March 27, 1989
Filing Date:
September 11, 1987
Export Citation:
International Classes:
B21C37/30; B21D3/10; B21D3/14; (IPC1-7): B21D3/14; B21C37/30; B21D3/10