Document Type and Number:
Japanese Patent JPS4841836
Kind Code:
U
Application Number:
JP8789471U
Publication Date:
May 29, 1973
Filing Date:
September 28, 1971
Export Citation:
International Classes:
B21B35/00; B21B35/12; B21D3/12; B21D9/00; B21F9/00; C21D1/00; C21D1/02; (IPC1-7): B21D9/00; C21D1/00