Document Type and Number:
Japanese Patent JPS5252906
Kind Code:
Y2
Application Number:
JP6300473U
Publication Date:
December 01, 1977
Filing Date:
May 28, 1973
Export Citation:
International Classes:
B23K9/14; B23K9/00; B23K37/00; B23K37/04; (IPC1-7): B23K9/00; B23K37/00