Document Type and Number:
Japanese Patent JPS50142463
Kind Code:
A
Application Number:
JP5044374A
Publication Date:
November 17, 1975
Filing Date:
May 07, 1974
Export Citation:
International Classes:
B21C37/28; B21D9/00; B21D9/05; B21D9/10; (IPC1-7): B21D9/05