Document Type and Number:
Japanese Patent JPS5230746
Kind Code:
B2
Application Number:
JP6858171A
Publication Date:
August 10, 1977
Filing Date:
September 07, 1971
Export Citation:
International Classes:
B23P21/00; B21L9/00; B21L9/02; B21L11/00; B23P19/00; (IPC1-7): B23P19/00; B21L11/00