Document Type and Number:
Japanese Patent JPS5748325
Kind Code:
B2
Application Number:
JP1424677A
Publication Date:
October 15, 1982
Filing Date:
February 14, 1977
Export Citation:
International Classes:
B21C37/26; B23D25/04; B23D36/00; B23D45/20; B26D1/56; B26D5/40