Document Type and Number:
Japanese Patent JPS5412228
Kind Code:
Y2
Application Number:
JP1655277U
Publication Date:
May 30, 1979
Filing Date:
February 16, 1977
Export Citation:
International Classes:
B23Q3/18; B21D43/00; B23B39/06; B23B41/00; (IPC1-7): B23B39/06; B23Q3/18