Document Type and Number:
Japanese Patent JPS571047
Kind Code:
Y2
Application Number:
JP5796278U
Publication Date:
January 08, 1982
Filing Date:
April 28, 1978
Export Citation:
International Classes:
B23D15/04; B23D23/00; B23D29/02; (IPC1-7): B23D15/04; B23D23/00