Document Type and Number:
Japanese Patent JPS5648481
Kind Code:
Y2
Application Number:
JP17193477U
Publication Date:
November 12, 1981
Filing Date:
December 22, 1977
Export Citation:
International Classes:
B27B27/02; B23D61/02; B23D63/06; B27B33/08; (IPC1-7): B27B27/02