Document Type and Number:
Japanese Patent JPS5711693
Kind Code:
Y2
Application Number:
JP9149078U
Publication Date:
March 08, 1982
Filing Date:
July 03, 1978
Export Citation:
International Classes:
B21D1/02; B23D63/00; B23D63/18; B27B13/16; (IPC1-7): B23D63/00; B21D1/02